| Abbreviation | Definition |
|---|---|
| CAJ | Christian Academy in Japan |
| CAK | Christian Academy of Knoxville |
| CAL | Coulter Alexander Latimer |
| CALSA | Cultural Arts Leaders in Schools and Academies |
| CANS | Clifton Area Neighborhood School |
| CAPP | Comprehensive Autism Preschool Program |
| CAPSS | Connecticut Association of Public School Superintendents |
| CAS | Computing At School |
| CAS | Connecticut Association Of Schools |
| CASA | Capital Area School for the Arts |
| CASB | Colorado Association of School Boards |
| CASD | California Area School District |
| CASD | Carlisle Area School District |
| CASD | Chambersburg Area School District |
| CASD | Coatesville Area School District |
| CASD | Connellsville Area School District |
| CASD | Crawford AuSable School District |
| CASLA | Charter Autonomous School Leadership Academy |
| CASN | Canadian Association of Schools of Nursing |
| CASN | Colorado Association of School Nurses |