| Abbreviation | Definition |
|---|---|
| ASCON | Administrative Staff College of Nigeria |
| ASCR | Admissions School College Relations |
| ASCW | Anglo Sanskrit College for Women |
| ASEC | Agriculture and Science Early College |
| ASFC | Ashton Sixth Form College |
| ASIC | Accreditation Service for International Colleges |
| ASLC | Associated Students of Laney College |
| ASLC | Associated Students of Linfield College |
| ASPC | Associated Students of Pomona College |
| ASSC | Associated Students Of Sierra College |
| ASSC | Associated Students of Skyline College |
| ASTC | After School Then College |
| ASTC | Appalachian State Teachers College |
| ATC | Advanced Technology College |
| ATC | Aiken Technical College |
| ATC | Albany Technical College, Albany, Georgia |
| ATC | Atlanta Technical College |
| ATC | Atlantic Technical College |
| ATCC | Alexandria Technical and Community College |
| ATCE | Annai Teresa College Of Engineering |