| Abbreviation | Definition |
|---|---|
| ATF | Albuquerque Teachers Federation |
| ATFCU | Abilene Teachers Federal Credit Union |
| ATFE | Association for Theological Field Education |
| ATG | Accordionists and Teachers Guild |
| ATHE | Awards for Training and Higher Education |
| ATHE | Awards for Training Higher Education |
| ATHENS | Advanced Technology Higher Education Network Socrates |
| ATIL | Advancing Teaching Improving Learning |
| ATKT | Allowed To Keep Terms |
| ATL | Active Teaching and Learning |
| ATL | Approaches To Learning |
| ATL | Assessment Teaching and Learning |
| ATLAS | Active Teaching Learning and Assessment Space |
| ATLAS | Amputees Together Learning And Supporting |
| ATLAS | Athletes Training And Learning To Avoid Steroids |
| ATLAS | The Adolescents Training And Learning To Avoid Steroids |
| ATLE | Association of Texas Leaders for Education |
| ATLE | Association of Texas Lenders for Education |
| ATLSE | Association of Teachers of Life Sciences and Earth |
| ATLT | Advanced Training and Learning Technologies |