study hall
US /ˈstʌd.i ˌhɑːl/
UK /ˈstʌd.i ˌhɑːl/
1.
a period during the school day when students are assigned to a room for study or to do homework, without direct instruction
:
•
I finished all my homework during study hall today.
•
Some students use study hall to catch up on reading.