| Abbreviation | Definition |
|---|---|
| 4J | Eugene School District |
| AA | Alpha Alpha |
| AAA | Asian American Association |
| AAAG | Attendance Area Advisory Group |
| AAAL | Ankara Ataturk Anadolu Lisesi (High School, Turkey) |
| AABS | Association of African Business Schools |
| AACBS | Association to Advance Collegiate Schools of Business (accrediting agency) |
| AACE | Academy for Advanced and Challenged Enthusiasts |
| AACS | Alfred Almond Central School |
| AACS | American Association of Christian Schools |
| AACS | American Association of Cosmetology Schools |
| AACS | Ashtabula Area City Schools |
| AAE | Academy for Academic Excellence |
| AAE | American Academy of English |
| AAGS | Azhar Academy Girls School |
| AAH | Arlington Academy of Hope |
| AAHS | Abingdon Avon High School |
| AAHS | Air Academy High School |
| AAHS | Alexandria Area High School |
| AAHS | Altoona Area High School |