| Cathedral Home For Children Administration Office, WY (District) |
| Catherine Ferguson Academy, MI (PSA) |
| Cato-meridian Central School District, NY (District) |
| Catoosa, OK (District) |
| Catoosa County, GA (District) |
| Catoosa County, GA (ISD) |
| Catron County, NM (ISD) |
| Catskill Central School District, NY (District) |
| Cattar-Allegany-Erie-Wyoming Boces, NY (ISD) |
| Cattaraugus County, NY (ISD) |
| Cattaraugus-little Valley Central School District, NY (District) |
| Cavalier 6, ND (District) |
| Cavalier County, ND (ISD) |
| Cave City School District, AR (District) |
| Cave Creek Unified District, AZ (District) |
