Meaning : Any day on which school is in session.
Example :
Go to bed early because tomorrow is a school day.
Meaning : The period of instruction in a school. The time period when school is in session.
Example :
Stay after school.
He didn't miss a single day of school.
When the school day was done we would walk home together.
Synonyms : school, schooltime
School day meaning in Bengali (Bangla).