| Owen J Roberts SD, PA (District) |
| Owen-Withee School District, WI (District) |
| Owendale-Gagetown Area School District, MI (District) |
| Owens Valley Unified, CA (District) |
| Owens-Whitney Elementary District, AZ (District) |
| Owensboro Independent School District, KY (District) |
| Owosso Public Schools, MI (District) |
| Owsley County, KY (Phantom) |
| Owsley County Schools, KY (District) |
| Owyhee County, ID (ISD) |
| Oxford, KS (District) |
| Oxford, MA (District) |
| Oxford Academy And Central School District, NY (District) |
| Oxford Area SD, PA (District) |
| Oxford City, AL (District) |
