| Abbreviation | Definition |
|---|---|
| ADEP | Alcohol Drug and Education Program |
| ADEP | Alcohol Drug Education Program |
| ADEP | Autism Diagnosis Education Project |
| ADEPT | Alcohol Drug Education Prevention Team |
| ADEPT | Assisting Developing and Evaluating Professional Teachers |
| ADEPT | Autism Distance Education Parent Training |
| ADES | Association of Directors of Education in Scotland |
| ADET | Advanced Distance Education Technologies |
| ADET | Alcohol and Drug Education Traffic |
| ADET | Alpha Development of Educational Technology |
| ADETA | Alberta Distance Education Training Association |
| ADEW | Association of Directors of Education in Wales |
| ADEZ | Abu Dhabi Education Zone |
| ADEZ | Abu Dhabi Educational Zone |
| ADHD | Attention Deficit Hyperactivity Disorder |
| ADI | Approved Driving Instructor |
| ADJ | Adjective |
| ADKAR | Awareness, Desire, Knowledge, Ability, Reinforcement |
| ADL | Advanced Distributed Learning |
| ADL | Advanced Distribution Learning |