| Abbreviation | Definition |
|---|---|
| AAHS | Athens Area High School |
| AAIR | Allergy and Anaphylaxis Informational Response |
| AAIS | Alabama Association of Independent Schools |
| AAIS | Al-Andalus International School |
| AAIS | Atlanta Adventist International School |
| AAMS | Academy of Alameda Middle School |
| AAP | Asthma Action Plan |
| AAPS | Ann Arbor Public Schools |
| AARTS | Association of Advanced Rabbinical and Talmudic Schools |
| AAS | Anytime Anywhere School |
| AASD | Altoona Area School District |
| AASD | Ambridge Area School District |
| AASD | Appleton Area School District |
| AASD | Asotin Anatone School District |
| AASD | Atlanta Area School for the Deaf |
| AASF | Alternative Art School Fair |
| AASOP | Alabama Association of School Office Personnel |
| AASP | Angier After School Program |
| AASP | Asian Association of Schools of Pharmacy |
| AATS | Advance Animation Training school |