| Cabarrus County, NC (ISD) |
| Cabarrus County Schools, NC (District) |
| Cabell County, WV (ISD) |
| Cabell County Schools, WV (District) |
| Cabool R-Iv, MO (District) |
| Cabot School District, AR (District) |
| Cabrillo Unified, CA (District) |
| Cache, OK (District) |
| Cache County, UT (ISD) |
| Cache District, UT (District) |
| Caddo, OK (District) |
| Caddo County, OK (ISD) |
| Caddo Hills School District, AR (District) |
| Caddo Mills ISD, TX (District) |
| Caddo Parish, LA (ISD) |
