| Rittman Exempted Village School District, OH (District) |
| Ritzville School District, WA (District) |
| River Bend CUSD 2, IL (District) |
| River Bend Education District, MN (District) |
| River City Scholars Charter Academy, MI (PSA) |
| River Dell Regional School District, NJ (District) |
| River Delta Joint Unified, CA (District) |
| River Edge Schools, NJ (District) |
| River Falls School District, WI (District) |
| River Forest Community Sch Corp, IN (District) |
| River Forest SD 90, IL (District) |
| River Gate High School, OH (PSA) |
| River Grove SD 85-5, IL (District) |
| River Heights Academy, MI (PSA) |
| River Mill Academy, NC (District) |
