School (7)
'school' is the definition.
(I know that academy is a type of school)
This is all the clue.
(Other definitions for academy that I've seen before include "Institution for the advancement of the arts and sciences" , "Place of specialised study or training" , "Establishment for the advancement of knowledge" , "Specialised educational establishment" , "Type of school" .)
(Other definitions for med that I've seen before include "Cote d'Azur sea" , "Mediterranean (colloq.)" , "Sea (abbr)" , "Sea (informal)" .)
(Other definitions for bus that I've seen before include "eg Double-decker" , "Something caught" , "Of projectiles; (go) mad (slang)" , "Mode of public transport" , "Charabanc" .)
'school' is the definition.
(prep school is a kind of school)
This is the entire clue.
(Other definitions for prep that I've seen before include "Homework (abbrev.)" , "Homework (abbr.)" , "School work done outside lessons" , "warm-up race" .)
'school' is the definition.
(elementary school is a kind of school)
This is all the clue.
(Other definitions for elementary that I've seen before include "One precursor to 7 [SECONDARY MODERN]" , "Simple, introductory" , "Basic, simple" , "Easy" , "Fundamental" .)