| 1 | Chelmsford County High School for Girls Period 202425 | 7.94 | Grammar · Day · 6th | Chelmsford, East of England | Outstanding |
| 2 | Colchester County High School for Girls Period 202425 | 7.82 | Grammar · Day · 6th | Colchester, East of England | Outstanding |
| 3 | Westcliff High School for Girls Period 202425 | 7.28 | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 4 | Southend High School for Girls Period 202425 | 7.09 | Grammar · Day · 6th | Southend-on-Sea, East of England | Outstanding |
| 5 | Watford Grammar School for Girls Period 202425 | 6.38 | Academy · Day · 6th | Watford, East of England | Outstanding |
| 6 | The Hertfordshire & Essex High School and Science College Period 202425 | 5.83 | Academy · Day · 6th | Bishop's Stortford, East of England | Outstanding |
| 7 | Presdales School Period 202425 | 5.57 | Academy · Day · 6th | Ware, East of England | Outstanding |
| 8 | St Albans Girls' School Period 202425 | 5.55 | Academy · Day · 6th | St Albans, East of England | — |
| 9 | Loreto College Period 202425 | 5.52 | Academy · Day · 6th | St Albans, East of England | — |
| 10 | Brentwood Ursuline Convent High School Period 202425 | 5.48 | Academy · Day · 6th | Brentwood, East of England | Good |
| 11 | Grays Convent High School Period 202425 | 5.21 | State · Day | Grays, East of England | — |
| 12 | Hitchin Girls' School Period 202425 | 5.05 | Academy · Day · 6th | Hitchin, East of England | — |
| 13 | Bishop's Hatfield Girls' School Period 202425 | 4.70 | Academy · Day · 6th | Hatfield, East of England | — |
| 14 | St Bernard's High School Period 202425 | 4.25 | Academy · Day · 6th | Westcliff-on-Sea, East of England | — |
| 15 | Challney High School for Girls Period 202425 | 4.17 | Academy · Day | Luton, East of England | Outstanding |