| Charter School for Young Children on Asylum Hill District, CT (District) |
| Charter School Institute, CO (District) |
| Charter School Institute, CO (District) |
| Charter School Of Educational Excellence, NY (PSA) |
| Charter School Of Inquiry, NY (PSA) |
| Charter School Of The Dunes, IN (District) |
| Charter School Of Wilmington, DE (PSA) |
| chARTer~TECH High School for the Performing Arts, NJ (District) |
| Chartiers Houston SD, PA (District) |
| Chartiers Valley SD, PA (District) |
| Charyl Stockwell Academy, MI (PSA) |
| Chase County, KS (District) |
| Chase County, NE (ISD) |
| Chase County, KS (ISD) |
| Chase County Schools, NE (District) |
