| Abbreviation | Definition |
|---|---|
| A | Adjective |
| A | Artemis |
| AA | Aakash ANTHE |
| AA | Activity Approach |
| AA | Alternate Advancement |
| AA | Angelus Academy |
| AA | Attract Attention |
| AAA | Active Accelerated Academy |
| AAA | Awareness, Action, and Accountability |
| AA-AAS | Alternate Assessment based on Alternate Achievement Standards |
| AAACE | American Association for Adult and Continuing Education |
| AAALI | Act Against AIDS Leadership Initiative |
| AAAM | Association for Advancement of Automotive Medicine |
| AAAS | Association for Asian American Studies |
| AAAT | Armand Arabian Advocacy Tournament |
| AAATP | Australian Autoglazier Accreditation Training Program |
| AABC | Alberta Associations for Bright Children |
| AABE | Arizona Association For Bilingual Education |
| AAC | Advanced Activity Concept |
| AAC | Alternative And Augmentative Communication |