| Chadwick-Milledgeville CUSD 399, IL (District) |
| Chaffee County, CO (ISD) |
| Chaffee R-Ii, MO (District) |
| Chaffey Joint Union High, CA (District) |
| Chagrin Falls Exempted Village School District, OH (District) |
| Challenge Foundation Academies Of Arizona Inc., AZ (District) |
| Challenge Foundation Academy, IN (District) |
| Challenge Preparatory Charter School, NY (PSA) |
| Challenge School Inc., AZ (District) |
| Challenger Basic School Inc., AZ (District) |
| Challis Joint District, ID (District) |
| Chama Valley Indep. Schools, NM (District) |
| Chamberlain School District, SD (District) |
| Chambers County, AL (ISD) |
| Chambers County, AL (District) |
