| Clark County Schools, KY (District) |
| Clark Preparatory Academy, OH (PSA) |
| Clark School District, SD (District) |
| Clark Shawnee Local School District, OH (District) |
| Clark Township Public Schools, NJ (District) |
| Clark-Pleasant Com School Corp, IN (District) |
| Clarkdale-Jerome Elementary District, AZ (District) |
| Clarke, VA (District) |
| Clarke Comm School District, IA (District) |
| Clarke County, AL (District) |
| Clarke County, GA (District) |
| Clarke County, GA (ISD) |
| Clarke County, AL (ISD) |
| Clarke County, MS (ISD) |
| Clarke County, IA (ISD) |
