| Oblong CUSD 4, IL (District) |
| Ocean Beach School District, WA (District) |
| OCEAN CITY SCHOOL DISTRICT, NJ (District) |
| Ocean County Schools, NJ (ISD) |
| Ocean County Vocational Technical School, NJ (District) |
| Ocean Gate School District, NJ (District) |
| Ocean Hill Collegiate Charter School, NY (PSA) |
| Ocean Springs School Dist, MS (District) |
| Ocean Township School District, NJ (District) |
| Ocean View, CA (District) |
| Ocean View, CA (District) |
| Oceana Intermediate School District, MI (ISD) |
| Oceanport School District, NJ (District) |
| Oceanside Charter School, NJ (District) |
| Oceanside Unified, CA (District) |
