| Odyssey Charter School, DE (PSA) |
| Odyssey Charter School, UT (PSA) |
| Odyssey Community School District, CT (District) |
| Oelrichs School District, SD (District) |
| Oelwein Comm School District, IA (District) |
| Office Of Juvenile Justice, LA (District) |
| Office Of The Governor (Sch For Blind), WA (District) |
| Ogallala Public Schools, NE (District) |
| Ogden City District, UT (District) |
| Ogden Comm School District, IA (District) |
| Ogden Preparatory Academy, UT (PSA) |
| Ogdensburg Borough School District, NJ (District) |
| Ogdensburg City School District, NY (District) |
| Ogilvie Public School District, MN (District) |
| Ogle Co Education Cooperative, IL (District) |
