To teach in the capacity of schoolmaster.

A textbook, a book used, or prepared for use, in school.

A building housing a school, especially a small or single-room one.

Work done for school, including both in class and homework.

A satchel used to carry supplies for school; a bookbag.

A classroom, a room in a school used for instruction.

A teacher working in a school.

(chiefly US) The grounds around a school. / (chiefly UK) An open field near a school used for recreation by the students.

(US, slang) A female teacher, especially one seen to be old-fashioned and extremely severe and strict. / (by extension) Someone who acts like a schoolmarm; a person acting harsh and stern.

(transitive, US, slang) To discipline in the manner of a schoolmarm; to harshly reprimand or chide.