| Oracle Elementary District, AZ (District) |
| ORADELL SCHOOL DISTRICT, NJ (District) |
| Oran R-Iii, MO (District) |
| Orange, MA (District) |
| Orange, FL (District) |
| Orange, VA (District) |
| ORANGE BOARD OF EDUCATION, NJ (District) |
| Orange Center, CA (District) |
| Orange Charter, NC (District) |
| Orange City School District, OH (District) |
| Orange County, NY (ISD) |
| Orange County, TX (ISD) |
| Orange County, NC (ISD) |
| Orange County, IN (ISD) |
| Orange County, FL (ISD) |
