| Clinton Prairie School Corp, IN (District) |
| Clinton Public School Dist, MS (District) |
| Clinton School District, AR (District) |
| Clinton School District, CT (District) |
| Clinton Township, NJ (District) |
| Clinton-Essex-Warren-Washing Boces, NY (ISD) |
| Clinton-Glen Gardner Board of Education, NJ (District) |
| Clinton-Graceville-Beardsley, MN (District) |
| Clintondale Community Schools, MI (District) |
| Clintonville School District, WI (District) |
| Clio Area School District, MI (District) |
| Cloquet Public School District, MN (District) |
| CLOSTER PUBLIC SCHOOLS, NJ (District) |
| Cloud County, KS (ISD) |
| Cloudcroft Municipal Schools, NM (District) |
