School District 23 may refer to:
Prospect Heights School District 23, a school district located and served in Prospect Heights, Illinois School District 23 Central Okanagan, a school district that serves the Central Okanagan, which includes Kelowna, for which the school district's office is based in Target Range School District 23, a school district in Montana
See also: Central Okanagan School District No 23 v Renaud, a related Canada Supreme Court decision