| Ridgeway R-V, MO (District) |
| Ridgewood CHSD 234, IL (District) |
| Ridgewood Local School District, OH (District) |
| Ridgewood Public Schools, NJ (District) |
| Ridgway Area SD, PA (District) |
| Ridgway R-2, CO (District) |
| Ridley SD, PA (District) |
| Riesel ISD, TX (District) |
| Riley CCSD 18, IL (District) |
| Riley County, KS (ISD) |
| Riley County, KS (District) |
| Rim of the World Unified, CA (District) |
| Rincon Valley Union Elementary, CA (District) |
| Ringgold County, IA (ISD) |
| Ringgold SD, PA (District) |
