SCHOOLS

(collective) A group of fish or a group of marine mammals such as porpoises, dolphins, or whales.

"The divers encountered a huge school of mackerel."

A multitude.

(of fish) To form into, or travel in a school.

An institution dedicated to teaching and learning; an educational institution.

"Harvard University is a famous American postsecondary school."

An educational institution providing primary and secondary education, prior to tertiary education (college or university).

At Eton College, a period or session of teaching.

"Divinity, history and geography are studied for two schools per week."

To educate, teach, or train (often, but not necessarily, in a school).

"Many future prime ministers were schooled in Eton."

To defeat emphatically, to teach an opponent a harsh lesson.

To control, or compose, one's expression.

"She took care to school her expression, not giving away any of her feelings."