| 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) |
| Calhan Rj-1, CO (District) |
| Calhoun, FL (District) |
| Calhoun 01, SC (District) |
| Calhoun City, GA (District) |
| Calhoun Co School Dist, MS (District) |
