ECHS
- ECHS1
- Early college high school
- East Catholic High School
- East Central High School (disambiguation)
- East Chambers High School
- East Coweta High School
- Eastern Christian High School
- Edmonton Christian High School
- Effingham County High School
- El Camino High School (disambiguation)
- El Capitan High School (California)
- El Cerrito High School
- Elkhart Central High School
- Elyria Catholic High School
- Environmental Charter High School
- Escondido Charter High School
- Essex Catholic High School
- Military Hospital, Hisar