Answer: detention

AnswerCrossword Clue
DETENTIONHigh-schooler's punishment
DETENTIONEnforced delay.
DETENTIONAfter-school punishment
detentionThe action of detaining someone or the state of being detained in official custody, esp. as a political prisoner
detentionthe act of detaining
detentionThe punishment of being kept in school after hours