| Culdesac Joint District, ID (District) |
| Cullman City, AL (District) |
| Cullman County, AL (District) |
| Cullman County, AL (ISD) |
| Culpeper, VA (District) |
| Cultural Arts Academy Charter School At Spring Creek, NY (PSA) |
| Culver City Unified, CA (District) |
| Culver Community Schools Corp, IN (District) |
| Culver Sd 4, OR (District) |
| Cumberland, RI (District) |
| Cumberland, VA (District) |
| Cumberland Academy, TX (PSA) |
| Cumberland County, PA (ISD) |
| Cumberland County, ME (ISD) |
| Cumberland County, TN (ISD) |
