| 1 | Chelmsford County High School for Girls Period 202425 | 56.0% | Grammar · Day · 6th | Chelmsford, East of England | Outstanding |
| 2 | Colchester County High School for Girls Period 202425 | 44.0% | Grammar · Day · 6th | Colchester, East of England | Outstanding |
| 3 | Watford Grammar School for Girls Period 202425 | 27.9% | Academy · Day · 6th | Watford, East of England | Outstanding |
| 4 | Westcliff High School for Girls Period 202425 | 24.8% | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 5 | The Hertfordshire & Essex High School and Science College Period 202425 | 22.9% | Academy · Day · 6th | Bishop's Stortford, East of England | Outstanding |
| 6 | Loreto College Period 202425 | 21.8% | Academy · Day · 6th | St Albans, East of England | — |
| 7 | St Albans Girls' School Period 202425 | 19.1% | Academy · Day · 6th | St Albans, East of England | — |
| 8 | Southend High School for Girls Period 202425 | 17.7% | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding |
| 9 | Bishop's Hatfield Girls' School Period 202425 | 17.7% | Academy · Day · 6th | Hatfield, East of England | — |
| 10 | Hitchin Girls' School Period 202425 | 14.2% | Academy · Day · 6th | Hitchin, East of England | — |
| 11 | Brentwood Ursuline Convent High School Period 202425 | 14.1% | Academy · Day · 6th | Brentwood, East of England | Good |
| 12 | Presdales School Period 202425 | 11.3% | Academy · Day · 6th | Ware, East of England | Outstanding |
| 13 | St Bernard's High School Period 202425 | 4.0% | Academy · Day · 6th | Westcliff-on-Sea, East of England | — |