| Abbreviation | Definition |
|---|---|
| DEN | Discovery Educator Network |
| DEN | Disklavier Education Network |
| DENC | Distance Education Network Completion |
| DENI | Department of Education Northern Ireland |
| DENT | Dental Education Network for Texas |
| DEO | Deputy Education Officer |
| DEO | District Education Office |
| DEO | District Education Officer |
| DEOC | Delta Educational Opportunity Center |
| DEOC | District Education Oversight Committee |
| DEP | Differentiated Education Plan |
| DEPB | Diabetes Education Program in Bulgaria |
| DEPS | Developmental Education Program Survey |
| DEPT | Department of Educational Planning and Training |
| DEPT | Department of Educational Planning and Training |
| DER | Digital Education Revolution |
| DER | Documentary Educational Resources |
| DERA | Digital Education Resource Archive |
| DERI | Developmental Education Reading Initiative |
| DERT | Directorate of Educational Research and Training |