| Caldwell County, NC (ISD) |
| Caldwell County, KY (Phantom) |
| Caldwell County Schools, KY (District) |
| Caldwell County Schools, NC (District) |
| Caldwell District, ID (District) |
| Caldwell Exempted Village School District, OH (District) |
| Caldwell ISD, TX (District) |
| Caldwell Parish, LA (ISD) |
| Caldwell Parish, LA (District) |
| CALDWELL-WEST CALDWELL PUBLIC SCHOOLS, NJ (District) |
| Caledonia Community Schools, MI (District) |
| Caledonia Public School District, MN (District) |
| Caledonia-mumford Central School District, NY (District) |
| Calera, OK (District) |
| Calexico Unified, CA (District) |
