| Ringling, OK (District) |
| Ringwood, OK (District) |
| Ringwood School District, NJ (District) |
| Rio Arriba County, NM (ISD) |
| Rio Blanco Boces, CO (District) |
| Rio Blanco Boces, CO (District) |
| Rio Blanco County, CO (ISD) |
| Rio Bravo-Greeley Union Elementary, CA (District) |
| Rio Community School District, WI (District) |
| Rio Dell Elementary, CA (District) |
| Rio Elementary, CA (District) |
| Rio Gallinas Sch For Ecology & The Arts, NM (PSA) |
| Rio Grande Academy of Fine Arts, NM (PSA) |
| Rio Grande City Cisd, TX (District) |
| Rio Grande Community College District, OH (District) |
