CUSD is an acronym used to refer to the following school districts:
Cambridge University Social Democrats Capistrano Unified School District Carlsbad Unified School District Carmel Unified School District Central Unified School District Chandler Unified School District Chico Unified School District Chinle Unified School District Chino Valley Unified School District (disambiguation), multiple districts Claremont Unified School District Clovis Unified School District Coronado Unified School District Cupertino Union School District