noun
school; academic setting
A literary, somewhat old-fashioned term for 'school' or the academic environment. Often appears in fixed expressions like 学窓を巣立つ (to graduate/leave school). Not used in casual conversation.
彼は学窓を巣立って社会に出た。
He left school and entered the working world.
学窓で得た知識を活かしたい。
I want to make use of the knowledge I gained in school.