schoolday

noun2

1. •
   A day during which the public schools are open, usually synonymous with weekday during the school year.

   • In modern China, Sunday is not usually a schoolday except around major holidays.
2. •
   The part of a day when students attend school.

   • I couldn't contact my child during the schoolday because of the school's no-cellphone policy.
   • The schoolday starts at 9:00 am and ends at 3:00 pm.