1
aula;clase
1
classroom;lecture room
教室は生徒でいっぱいだった。
The classroom was full of pupils.
2
department (in a university)
ＬＬ教室を使ってもよいですか。
May we use the language lab?
3
class;lessons;course
エアロビクス教室に一日入学したいのですが。
I'd like to try out the aerobics class for a day.
4
school (for a particular discipline);teaching establishment
See also:
音楽教室 (おんがくきょうしつ)