| Abbreviation | Definition |
|---|---|
| AFHS | Agua Fria High School |
| AFHS | American Falls High School |
| AFHS | American Fork High School |
| AFHS | Apex Friendship High School |
| AFHS | Austintown-Fitch High School |
| AFLS | Anqing Foreign Language School |
| AFMHS | Armed Forces Military High School |
| AFMS | Apex Friendship Middle School |
| AFMS | Aston Fields Middle School |
| AFPRC | Arnprior Family Preschool Resource Centre |
| AFPS | Alfiah Filipino Private School |
| AFS | Abington Friends School |
| AFS | Astec Foundation Schools |
| AFSA | American Federation of School Administrators |
| AFSC | Air Force School, Coimbatore |
| AFTS | Alberta Fire Training School |
| AG | Auxiliary Gymnasium |
| AGBIS | Association of Governing Bodies of Independent Schools |
| AGC | Academy for Global Citizenship |
| AGCS | Avon Grove Charter School |