| Abbreviation | Definition |
|---|---|
| ESTO | Education for State Tourism Offices |
| ESTO | Educational Seminar for Tourism Organizations |
| ESU | Educational Service Unit |
| ESU | Educational Services Unit |
| ESWI | Educational Solutions Worldwide Inc |
| ESY | Extended School Year |
| ETA | Education and Technical Assistance |
| ETA | Education, Tours, and Adventure |
| ETA | Educational Technology Association |
| ETA | Explore Think Act |
| ETA | Explore, Think, Act |
| ETAA | Education Technical Assistance Act |
| ETAA | Educational Technical Assistance Act |
| ETAC | Echnologyeducational Technology Advisory Committee |
| ETAC | Education and Training Advisory Committee |
| ETAC | Educational Technology |
| ETAC | Educational Technology Advisory Committee |
| ETAC | Educational Technology Advisory Council |
| ETAC | Etaceducational Technology Advisory Council |
| ETAC | Exeducational Technology Advisory Committee |