School Day — synonyms, definition

1. school day (Noun)

school schooltime

school day (Noun) — Any day on which school is in session. ex. "go to bed early because tomorrow is a school day"

school day (Noun) — The period of instruction in a school; the time period when school is in session. ex. "when the school day was done we would walk home together"

day period period of time time period study hall