| Abbreviation | Definition |
|---|---|
| ESMS | East Side Middle School |
| ESMS | El Sausal Middle School |
| ESMS | El Segundo Middle School |
| ESMT | European School of Management and Technology |
| ESNS | East Side Nursery School |
| ESNS | Electronic School Notification System |
| ESNS | Elementary School Nutrition Services |
| ESO | European School Oncology |
| ESOA | ERUDIO School of Art |
| ESOA | European School of Antennas |
| ESOE | Eastbourne School of English |
| ESOM | Encounter School of Mission |
| ESP | Extended School Program |
| ESPA | Einhorn School of Performing Arts |
| ESPI | Exam Schools Partnership Initiative |
| ESPS | East Spring Primary School |
| ESPS | Espiritu Santo Parochial School |
| ESR | Earlham School of Religion |
| ESRE | Edinburgh Schools Rock Ensemble |
| ESSA | Eureka Springs School of Art |