| Clearfield Area SD, PA (District) |
| Clearfield Comm School District, IA (District) |
| Clearfield County, PA (ISD) |
| Clearfield County Ctc, PA (District) |
| Clearview Local School District, OH (District) |
| Clearview Regional High School District, NJ (District) |
| Clearwater, KS (District) |
| Clearwater County, MN (ISD) |
| Clearwater County, ID (ISD) |
| Clearwater R-I, MO (District) |
| Cleburne County, AL (ISD) |
| Cleburne County, AR (ISD) |
| Cleburne County, AL (District) |
| Cleburne ISD, TX (District) |
| Clementon Elementary School, NJ (District) |
