| Abbreviation | Definition |
|---|---|
| OOEA | Or Office of Education Administrator |
| OOEC | Ocean Overseas Education Consultants |
| OOEC | Oregon Outdoor Education Coalition |
| OOEC | Owasippe Outdoor Education Center |
| OOL | Oxford Open Learning |
| OORL | Object Oriented Reinforcement Learning |
| OotM | Oddesy of the Mind |
| OOTQ | OFF OF THE 'QUAD' |
| OPAL | Online Performance And Learning |
| OPAL | Outdoor Play And Learning |
| OPAT | Oklahoma Parents As Teachers |
| OPB | Office of Planning and Budget |
| OPBL | Online Problem Based Learning |
| OPBL | Open Problem Based Learning |
| OPCE | Office of Professional and Continuing Education |
| OPEC | Office of Prevention Education and Control |
| OPEC | Oregon Parenting Education Collaborative |
| OPEI | Office of Public Education and Interpretation |
| OPEL | Open Platform for E Learning |
| OPEN | One Planet Education Network |