| Oak Park - River Forest SD 200, IL (District) |
| Oak Park ESD 97, IL (District) |
| Oak Park School District, MI (District) |
| Oak Park Unified, CA (District) |
| Oak Ridge, TN (District) |
| Oak Ridge R-Vi, MO (District) |
| Oak Run Elementary, CA (District) |
| Oak Valley Union Elementary, CA (District) |
| Oak View Union Elementary, CA (District) |
| Oakdale, OK (District) |
| Oakdale CCSD 1, IL (District) |
| Oakdale Joint Unified, CA (District) |
| Oakes 41, ND (District) |
| Oakesdale School District, WA (District) |
| Oakfield School District, WI (District) |
