| Abbreviation | Definition |
|---|---|
| ASFM | American School Foundation of Monterrey |
| ASFM | American School of French Marquetry |
| ASGA | American Student Government Association |
| ASGC | Annual School Gift Campaign |
| ASH | After School Hangout |
| ASHA | Asian School of Hospitality Arts |
| ASHK | American School Hong Kong |
| ASHMS | Amsterdam School for Heritage and Memory Studies |
| ASHS | Abington Senior High School |
| ASHS | Albany Senior High School |
| ASHS | Albert S Hall School |
| ASHS | Alexandria Senior High School |
| ASHS | All Saints High School |
| ASHS | Americus Sumter High School |
| ASHS | Archbishop Sancroft High School |
| ASHS | Archbishop Spalding High School |
| ASHS | Armadale Senior High School |
| ASHS | Atherton State High School |
| ASIJ | American School In Japan |
| ASIR | Amsterdam School of International Relations |