Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations (hierarchy name)
4. organizations (groups)
5. institutions (organizations)
6. [institutions by activity]
7. educational institutions
8. schools (institutions)
9. secondary schools (institutions)

Anotations

Scope note:

Educational institutions for the third level of (usually compulsory) education for children, entered after elementary school and middle or junior high school. The grades or forms included in high schools vary by location, but often include grades 9 to 12. If the school district has no middle or junior high school, high school may include grades 7 to 12.