| Abbreviation | Definition |
|---|---|
| ERMS | Eagle Ridge Middle School |
| ERMS | East Richland Middle School |
| ERMS | East Ridge Middle School |
| ERMS | East Rockford Middle School |
| ERMS | East Rutherford Middle School |
| ERMS | Elkhorn Ridge Middle School |
| ERMS | Elkhorn Ridge Middle School's |
| ERO | Education Review Office |
| ERPS | Eaton Rapids Public Schools |
| ERS | English Reading Scheme |
| ERST | Edmund Rice Schools Trust |
| ES | Elementary School |
| ESA | Episcopal School of Acadiana |
| ESAA | Elementary School for the Arts and Academics |
| ESAA | English Schools Athletic Association |
| ESAA | Erasmus School of Accounting Assurance |
| ESAP | Early School Arrival Program |
| ESAS | Equally Safe At School |
| ESAV | Ethnic Schools Association of Victoria |
| ESBC | Elementary School Building Committee |