{
    "model": {
        "rank": 16503,
        "code": "thing-q1056391",
        "model_id": "vr.tr.head-teacher",
        "name": "head teacher",
        "purpose": "Let an agent explain the head teacher role and its titles across countries, relay duties, qualifications and accountability from education sources, describe leadership models, and distinguish head teachers from deputy heads, governors, superintendents and university heads.",
        "family": "Thing Registry",
        "category": "Society, people and institutions",
        "status": "research-draft",
        "kind": "thing",
        "plane": "SOC",
        "domain": "SOC.PER",
        "industry": "",
        "version": "",
        "url": "/models/thing/q1056391/",
        "tier": 2,
        "score": 32,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "dirigente scolastico",
                "college head",
                "Director of the General Military Academy",
                "head teacher of Collège Stanislas",
                "Director of Académie royale des Beaux-Arts",
                "director of the National School of Graphic Arts",
                "Director of the Royal Academy of Fine Arts of Liège",
                "président d'université",
                "Headmaster of Hogwarts",
                "headmaster in France",
                "head teacher of the Friderico-Francisceum",
                "Principal of National Huwei Senior High School",
                "Director of the Liceo de Santo Tomás",
                "principal of St. Bertin College (Saint-Omer, France)",
                "President of PSL University",
                "President of the University of La Réunion",
                "President of Rennes II University",
                "President of Aix-Marseille University",
                "president of the University of Bordeaux",
                "Chairman of the University of Lille",
                "President of Bordeaux-II University",
                "president of the Paul-Valéry-Montpellier University"
            ],
            "aliasCount": 22,
            "merged": 22,
            "knownIn": 32,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q1056391",
                "url": "https://www.wikidata.org/wiki/Q1056391",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-13T04:49:08Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 3,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-Q1056391",
                "registryId": "vr.tr.head-teacher",
                "name": "head teacher",
                "version": "0.2.0-wave.3",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "SOC.PER"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q1056391/",
            "model": {
                "registry_id": "vr.tr.head-teacher",
                "name": "head teacher",
                "purpose": "Let an agent explain the head teacher role and its titles across countries, relay duties, qualifications and accountability from education sources, describe leadership models, and distinguish head teachers from deputy heads, governors, superintendents and university heads.",
                "definition": "The person in charge of a school or similar educational institution, responsible for leadership, staff, pupils, curriculum delivery, budget and relations with the community and authorities, known as head teacher or headmaster and headmistress in the United Kingdom, principal in North America and Australia, dirigente scolastico in Italy and director in many countries, and by extension the director of an academy or specialised school such as an art or military academy.",
                "what_it_is_for": "Leading a school.",
                "affordances": [
                    "explain the role and titles",
                    "relay duties and qualifications",
                    "describe leadership models",
                    "distinguish related roles"
                ],
                "distinguishing_features": [
                    "Single accountable leader",
                    "Pedagogical and managerial duties",
                    "Country-specific titles",
                    "Accountability to governors or authorities"
                ],
                "appearance": "Not a visible object; a school leader.",
                "visual_identification": [
                    "Leader of a school",
                    "Head teacher, headmaster, principal, dirigente scolastico, college head, academy director",
                    "Deputy heads assist; governors oversee; superintendents run districts; university heads are rectors or presidents"
                ],
                "physical_properties": [
                    {
                        "quantity": "England head teachers",
                        "typical_range": "about 24000",
                        "unit": "count",
                        "note": "schools"
                    },
                    {
                        "quantity": "typical qualification",
                        "typical_range": "teaching qualification plus leadership qualification",
                        "unit": "note",
                        "note": "varies by country"
                    }
                ],
                "families_and_kinds": [
                    "head teachers of primary and secondary schools",
                    "principals in North America and Australia",
                    "dirigenti scolastici in Italy",
                    "directors of academies and specialised schools such as art, music and military academies",
                    "executive heads of school groups",
                    "heads of independent and boarding schools"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "education manager",
                        "why": "in registry terms"
                    },
                    {
                        "relation": "is a kind of",
                        "target": "director",
                        "why": "in registry terms"
                    },
                    {
                        "relation": "leads",
                        "target": "school",
                        "why": "as its chief executive"
                    },
                    {
                        "relation": "is supported by",
                        "target": "deputy head teacher",
                        "why": "and senior leaders"
                    }
                ],
                "identifiers": [
                    {
                        "scheme": "ISCO-08",
                        "value_or_pattern": "1345",
                        "note": "education managers"
                    }
                ],
                "standards_and_regulation": [
                    "National headship standards and qualifications such as NPQH in England",
                    "School governance laws",
                    "Safeguarding and inspection frameworks"
                ],
                "failure_modes_and_hazards": [
                    "Confusing titles across countries",
                    "Workload and recruitment shortages",
                    "Treating academy directors and school heads as identical roles"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "understand",
                        "name": "Understand",
                        "description": "What a head teacher is.",
                        "rationale": "Definition.",
                        "layers": [
                            {
                                "id": "definition",
                                "name": "Definition",
                                "description": "Definition and titles.",
                                "findings": [
                                    {
                                        "id": "definition-finding",
                                        "name": "Definition",
                                        "description": "Definition.",
                                        "questions": [
                                            {
                                                "text": "What is a head teacher, and how do titles such as principal, headmaster and dirigente scolastico compare?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Is the question about a school head, an academy director, a deputy or a university head?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "duties",
                                "name": "Duties",
                                "description": "Duties.",
                                "findings": [
                                    {
                                        "id": "duties-finding",
                                        "name": "Duties",
                                        "description": "Duties.",
                                        "questions": [
                                            {
                                                "text": "What are the duties of a head teacher, from teaching and learning to staff, budget and safeguarding?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which entry fits the specific duty?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "become",
                        "name": "Become",
                        "description": "Becoming a head.",
                        "rationale": "Practice.",
                        "layers": [
                            {
                                "id": "qualification",
                                "name": "Qualification",
                                "description": "Qualification.",
                                "findings": [
                                    {
                                        "id": "qualification-finding",
                                        "name": "Qualification",
                                        "description": "Qualification.",
                                        "questions": [
                                            {
                                                "text": "What qualifications and experience are required in different countries?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which references are standard?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "career",
                                "name": "Career",
                                "description": "Career path.",
                                "findings": [
                                    {
                                        "id": "career-finding",
                                        "name": "Career",
                                        "description": "Career.",
                                        "questions": [
                                            {
                                                "text": "How do teachers progress to headship, and what support exists?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which sources are cited?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "lead",
                        "name": "Lead",
                        "description": "Leadership.",
                        "rationale": "Sources.",
                        "layers": [
                            {
                                "id": "models",
                                "name": "Models",
                                "description": "Leadership models.",
                                "findings": [
                                    {
                                        "id": "models-finding",
                                        "name": "Models",
                                        "description": "Models.",
                                        "questions": [
                                            {
                                                "text": "What leadership models and research inform school headship?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits educational leadership?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "accountability",
                                "name": "Accountability",
                                "description": "Accountability.",
                                "findings": [
                                    {
                                        "id": "accountability-finding",
                                        "name": "Accountability",
                                        "description": "Accountability.",
                                        "questions": [
                                            {
                                                "text": "How are head teachers accountable to governors, authorities and inspection?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits school governance?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "context",
                        "name": "Context",
                        "description": "Context.",
                        "rationale": "Context.",
                        "layers": [
                            {
                                "id": "academies",
                                "name": "Academies",
                                "description": "Academy directors.",
                                "findings": [
                                    {
                                        "id": "academies-finding",
                                        "name": "Academies",
                                        "description": "Academies.",
                                        "questions": [
                                            {
                                                "text": "How do directors of art, music and military academies differ from school heads?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits the specific academy?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "history",
                                "name": "History",
                                "description": "History.",
                                "findings": [
                                    {
                                        "id": "history-finding",
                                        "name": "History",
                                        "description": "History.",
                                        "questions": [
                                            {
                                                "text": "How has the role of headmaster and headmistress evolved?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits the history of education?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should principal and dirigente scolastico be separate entries?",
                "How should education sources be linked?",
                "The registry entry has merged aliases naming specific institutional posts; should they be split off?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "occupation or role",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a head teacher, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Let an agent explain the head teacher role and its titles across countries, relay duties, qualifications and accountability from education sources, describe leadership models, and distinguish head teachers from deputy heads, governors, superintendents and university heads.",
            "characteristics": {
                "substance": "social",
                "origin": "natural",
                "agency": "autonomous",
                "mobility": "self-moving"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: dirigente scolastico, college head, Director of the General Military Academy, head teacher of Collège Stanislas, Director of Académie royale des Beaux-Arts, director of the National School of Graphic Arts, Director of the Royal Academy of Fine Arts of Liège, président d'université, Headmaster of Hogwarts, headmaster in France, head teacher of the Friderico-Francisceum, Principal of National Huwei Senior High School.",
                "22 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 32 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a head teacher, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "a social arrangement between people",
            "physicalCharacter": [
                "Moves under its own power or of its own accord.",
                "Acts on its own behalf.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Not recognisable by appearance, and guessing from dress or setting is how an agent gets this wrong. Recognised by qualification, licence or engagement."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "dirigente scolastico",
                        "college head",
                        "Director of the General Military Academy",
                        "head teacher of Collège Stanislas",
                        "Director of Académie royale des Beaux-Arts",
                        "director of the National School of Graphic Arts",
                        "Director of the Royal Academy of Fine Arts of Liège",
                        "président d'université",
                        "Headmaster of Hogwarts",
                        "headmaster in France",
                        "head teacher of the Friderico-Francisceum",
                        "Principal of National Huwei Senior High School"
                    ]
                }
            ],
            "standing": "Described in 32 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 22 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one head teacher from another, and a head teacher from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a head teacher sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a head teacher from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a head teacher is, how it got there and where it may go (self-moving).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a head teacher is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a head teacher moves on its own.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a head teacher passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a head teacher between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a head teacher, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a head teacher is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "people-and-responsibility",
                        "name": "People, roles and responsibility",
                        "description": "Who stands in what relation to a head teacher.",
                        "rationale": "Social things are defined by the relations people hold to them, and those relations change without the thing changing.",
                        "layers": [
                            {
                                "id": "roles-and-parties",
                                "name": "Roles and parties",
                                "description": "The roles that exist around a head teacher and who fills them.",
                                "findings": [
                                    {
                                        "id": "role-assignments",
                                        "name": "Role assignments and their validity",
                                        "description": "Who holds which role over a head teacher, from when, and on whose authority.",
                                        "questions": [
                                            {
                                                "id": "role-assignments-q01",
                                                "text": "What identifies and describes a role over a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "role-assignments-q02",
                                                "text": "Who or what asserted this about a role over a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "role-assignments-q03",
                                                "text": "What may an agent decide or do once a role over a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ownership-and-accountability",
                                "name": "Ownership and accountability",
                                "description": "Who answers for a head teacher and who may decide about it.",
                                "findings": [
                                    {
                                        "id": "accountability",
                                        "name": "Accountability and decision rights",
                                        "description": "Where responsibility for a head teacher sits when something goes wrong.",
                                        "questions": [
                                            {
                                                "id": "accountability-q01",
                                                "text": "What identifies and describes responsibility for a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "accountability-q02",
                                                "text": "Who or what asserted this about responsibility for a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "accountability-q03",
                                                "text": "What may an agent decide or do once responsibility for a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "competence-and-licence",
                        "name": "Competence, qualification and licence",
                        "description": "What someone must be able to do, and be permitted to do, as head teacher.",
                        "rationale": "The permission is jurisdictional and the competence is not, and conflating them is how an agent concludes someone may practise when they may not.",
                        "layers": [
                            {
                                "id": "competences",
                                "name": "Competences and qualifications",
                                "description": "Skills and credentials the role assumes.",
                                "findings": [
                                    {
                                        "id": "qualification-record",
                                        "name": "Qualifications and how they are evidenced",
                                        "description": "What counts as qualified, and what proves it.",
                                        "questions": [
                                            {
                                                "id": "qualification-record-q01",
                                                "text": "What competences and qualifications does head teacher require, and how is each evidenced?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "qualification-record-q02",
                                                "text": "Which qualifications transfer between jurisdictions and which do not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "licensing",
                                "name": "Licensing and the right to practise",
                                "description": "Who grants permission, where it holds, and when it lapses.",
                                "findings": [
                                    {
                                        "id": "licence-record",
                                        "name": "Licence, issuer and validity",
                                        "description": "The permission, its issuer, its territory and its expiry.",
                                        "questions": [
                                            {
                                                "id": "licence-record-q01",
                                                "text": "Who licenses head teacher, in which territory, and for how long?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "licence-record-q02",
                                                "text": "What may an unlicensed person not do, and what must an agent refuse to assume?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "tasks-and-accountability",
                        "name": "Tasks, employment and accountability",
                        "description": "What head teacher actually does and who answers for it.",
                        "rationale": "A role is filled by people under an arrangement, and the arrangement decides liability, supervision and who may instruct whom.",
                        "layers": [
                            {
                                "id": "tasks",
                                "name": "Tasks and typical duties",
                                "description": "The work itself, and how it differs by setting.",
                                "findings": [
                                    {
                                        "id": "duty-record",
                                        "name": "Duties and setting",
                                        "description": "What the role does and where the work varies.",
                                        "questions": [
                                            {
                                                "id": "duty-record-q01",
                                                "text": "What tasks define head teacher, and how do they differ between settings or seniority?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "duty-record-q02",
                                                "text": "Which tasks may only be done by this role, and which are shared with neighbouring roles?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "accountability",
                                "name": "Employment and accountability",
                                "description": "The relation under which the work is done and where responsibility sits.",
                                "findings": [
                                    {
                                        "id": "responsibility",
                                        "name": "Responsibility and supervision",
                                        "description": "Who instructs, who supervises, who is liable.",
                                        "questions": [
                                            {
                                                "id": "responsibility-q01",
                                                "text": "Under what arrangement does someone act as head teacher, and who supervises or is liable?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "responsibility-q02",
                                                "text": "When something goes wrong, what does the model need to have recorded to answer who was responsible?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a head teacher came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a head teacher and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a head teacher is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a head teacher, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a head teacher, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a head teacher is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 7,
                "layers": 14,
                "findings": 16,
                "questions": 44
            }
        }
    }
}