| Ruthven-Ayrshire Comm School District, IA (District) |
| Rutland CCSD 230, IL (District) |
| Rutland School District, SD (District) |
| Ryal, OK (District) |
| Ryan, OK (District) |
| Rye City School District, NY (District) |
| Rye Neck Union Free School District, NY (District) |
| Rye School District, NH (District) |
| Ryegate K-12 Schools, MT (District) |
| S And S Cisd, TX (District) |
| S H Elem, MT (District) |
| S Will Co Coop for Spec Ed, IL (District) |
| S Y Elem, MT (District) |
| Sabetha, KS (District) |
| Sabinal ISD, TX (District) |
