| Clay Central-Everly Comm School District, IA (District) |
| Clay City CUSD 10, IL (District) |
| Clay Co School Dist, MS (District) |
| Clay Community Schools, IN (District) |
| Clay County, IN (ISD) |
| Clay County, GA (ISD) |
| Clay County, GA (District) |
| Clay County, WV (ISD) |
| Clay County, AL (District) |
| Clay County, FL (ISD) |
| Clay County, MN (ISD) |
| Clay County, MS (ISD) |
| Clay County, NC (ISD) |
| Clay County, AL (ISD) |
| Clay County, TN (District) |
