school year, academic year

the period of time each year when the school is open and people are studying

• year — a period of time occupying a regular part of a calendar year that is used for some particular activity

• school term, academic term, academic session, session — the time during which a school holds classes
• semester — one of two divisions of an academic year
• trimester — one of three divisions of an academic year
• quarter — one of four periods into which the school year is divided