day school

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A private school for pupils living at home.
• noun A school that holds classes during the day.

from The Century Dictionary.

• noun A school the sessions of which are held during the day: opposed to night-school.
• noun A school in which the pupils are not boarded: distinguished from boarding-school.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A school attended during the day, as opposed to a boarding school.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a school building without boarding facilities
• noun a school giving instruction during the daytime
• noun a private school taking day students only