| 1 | Chelmsford County High School for Girls | Outstanding | Grammar · Day · 6th | Chelmsford, East of England | Outstanding |
| 2 | Colchester County High School for Girls | Outstanding | Grammar · Day · 6th | Colchester, East of England | Outstanding |
| 3 | Estuary High School | Inadequate | Grammar · Day · 6th | Leigh-on-Sea, East of England | Inadequate |
| 4 | King Edward VI Grammar School, Chelmsford | Outstanding | Grammar · Day · 6th | Chelmsford, East of England | Outstanding |
| 5 | Southend High School for Boys | Outstanding | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding |
| 6 | Southend High School for Girls | Outstanding | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding |
| 7 | The Tower School | 59 pupils | Grammar · Day · 6th | Unknown, East of England | — |
| 8 | Westcliff High School for Boys Academy | Outstanding | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 9 | Westcliff High School for Girls | Outstanding | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |