Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. institutional buildings
9. academic buildings
10. schools (buildings)
11. [school buildings by function]

Anotations

Scope note:

Buildings that house children's schools with facilities and structured program activities devoted to play, often convening only in the summer; established as an emergency measure during World War I; used both as places for children of working parents and as places for parents and teachers to study the playing habits of children.