| Clyde Cisd, TX (District) |
| Clyde-Green Springs Exempted Village School District, OH (District) |
| Clyde-savannah Central School District, NY (District) |
| Clymer Central School District, NY (District) |
| Cmhi Pueblo, CO (District) |
| Cmnty College Of Beaver Cnty, PA (District) |
| Coachella Valley Unified, CA (District) |
| Coahoma Ahs, MS (District) |
| Coahoma County, MS (ISD) |
| Coahoma County School District, MS (District) |
| Coahoma ISD, TX (District) |
| Coal City CUSD 1, IL (District) |
| Coal County, OK (ISD) |
| Coalgate, OK (District) |
| Coalinga-Huron Unified, CA (District) |
