- a classroom in which pupils in the same grade or division of a grade meet at certain times under the supervision of a teacher, who takes attendance and administers other school business.
- (in an elementary school) the classroom in which pupils in the same grade or division of a grade receive instruction in all subjects except those requiring special facilities.
- the pupils in a particular homeroom.
- a room in a school used by a particular group of students as a base for registration, notices, etc
- a group of students who use the same room as a base in school