| Abbreviation | Definition |
|---|---|
| ECMS | El Cerrito Middle School |
| ECMS | Elizabeth City Middle School |
| ECMS | Emerald Coast Middle School |
| ECMS | Environmental Charter Middle School |
| ECMS | Ephraim Curtis Middle School |
| ECMS | Esperero Canyon Middle School |
| ECP | Ecole Centrale Paris |
| ECPPS | Elizabeth City Pasquotank Public Schools |
| ECPS | East Coast Primary School |
| ECPS | Edenton Chowan Public Schools |
| ECPS | Edgecombe County Public Schools |
| ECPS | Educational and Cultural Parents School |
| ECPS | Escambia County Public Schools |
| ECPS | Essex County Public Schools |
| ECS | Emmaus Correspondence School |
| ECS | Environmental Charter School |
| ECS | Ethical Culture School |
| ECSD | East China School District |
| ECSD | Edgefield County School District |
| ECSD | Elko County School District |