| CCSD 168, IL (District) |
| CCSD 180, IL (District) |
| CCSD 204, IL (District) |
| CCSD 62, IL (District) |
| CCSD 89, IL (District) |
| CCSD 93, IL (District) |
| Cecil County, MD (ISD) |
| Cecil County Public Schools, MD (District) |
| Cedar Bluffs Public Schools, NE (District) |
| Cedar Cliff Local School District, OH (District) |
| Cedar County, NE (ISD) |
| Cedar County, IA (ISD) |
| Cedar County, MO (ISD) |
| Cedar Falls Comm School District, IA (District) |
| CEDAR GROVE TOWNSHIP SCHOOL DISTRICT, NJ (District) |
