| Abbreviation | Definition |
|---|---|
| ARCH | Architect |
| ARCHER | At Risk Chemical Health Education and Resiliency |
| ARCQ | Auditory Response Control Quotient |
| ARCS | Attention Relevance Confidence And Satisfaction |
| AREA | Additional Reinforcement Enrichment Activities |
| AREC | Aquatic Resources Education Center |
| AREL | Alliance to Reform Education Leadership |
| AREN | AEROKATS and ROVER Education Network |
| AREP | Aboriginal Rural Education Program |
| ARESTA | Agency for Refugee Education Skills Training Advocacy |
| ARF | Alternative Reading Frame |
| ARHFE | Ay! right here, free educational indoctrination! |
| ARI | Analytic Reading Inventory |
| ARIES | Abuse Reduction Intervention Education and Support |
| ARIS | Advance Roll Information System |
| ARISE | Augmented Reality Integrated Simulation Education |
| ArizonaMusicEducators'Association | http://www.azmea.org/AMEA/ |
| ARK | Adults Relating To Kids |
| ARK | Advanced Resources For Kids |
| ARK | Artists Reaching Kids |