| CYPRESS HILLS ASCEND CHARTER, NY (PSA) |
| Cypress SD 64, IL (District) |
| Cypress-Fairbanks ISD, TX (District) |
| Cyril, OK (District) |
| Cyrus Public School District, MN (District) |
| D C Everest Area School District, WI (District) |
| D.E.L.T.A. STEAM Academy, GA (PSA) |
| D.U.E. Season Charter School, NJ (District) |
| D'Arbonne Woods Charter School, LA (District) |
| D'Hanis ISD, TX (District) |
| Da Vinci Instittue, MI (PSA) |
| Dade, FL (District) |
| Dade County, GA (ISD) |
| Dade County, FL (ISD) |
| Dade County, GA (District) |
