| Abbs Cross Academy and Arts College | HORNCHURCH Essex, RM12 4YB | Map | Website |
| American School in London | LONDON Middlesex, NW8 0NP | Map | Website |
| Bancroft's School | WOODFORD GREEN Essex, IG8 0RF | Map | Website |
| Barking & Dagenham College | ROMFORD Essex, RM7 0XU | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Campion School, Essex | HORNCHURCH Essex, RM11 3BX | Map | Website |
| Chelmsford County High School for Girls | CHELMSFORD Essex, CM1 1RW | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| Chislehurst and Sidcup Grammar School | SIDCUP Kent, DA15 9AG | Map | Website |
| Colfe's School | LONDON Kent, SE12 8AW | Map | Website |
| Dartford Grammar School | DARTFORD Kent, DA1 2HW | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Gravesend Grammar School for Boys | GRAVESEND Kent, DA12 2PR | Map | Website |
| Harris Academy Rainham | RAINHAM Essex, RM13 9XD | Map | Website |
| King Edward VI Grammar School, Chelmsford | CHELMSFORD Essex, CM1 3SX | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| RGS, Colchester | COLCHESTER Essex, CO3 3ND | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Robert Clack School | DAGENHAM Essex, RM8 1JU | Map | Website |
| Roding Valley High School | LOUGHTON Essex, IG10 3JA | Map | Website |
| Royal Hospital School | IPSWICH Suffolk, IP9 2RX | Map | Website |
| Saffron Walden County High School | SAFFRON WALDEN Essex, CB11 4UH | Map | Website |
| Shenfield High School | BRENTWOOD Essex, CM15 8RY | Map | Website |
| St Dunstan's College | LONDON Kent, SE6 4TY | Map | Website |
| St George's School, Harpenden | HARPENDEN Hertfordshire, AL5 4TD | Map | Website |
| St Joseph's College, Ipswich | IPSWICH Suffolk, IP2 9DR | Map | Website |
| St Olave's Grammar School, Kent | ORPINGTON Kent, BR6 9SH | Map | Website |
| Sutton Valence School | MAIDSTONE Kent, ME17 3HL | Map | Website |
| The Judd School | TONBRIDGE Kent, TN9 2PN | Map | Website |
| The King John School | THUNDERSLEY Essex, SS7 1RQ | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| The Perse School | CAMBRIDGE Cambridgeshire, CB2 8QF | Map | Website |
| Westcliff High School For Boys | WESTCLIFF-ON-SEA Essex, SS0 0BP | Map | Website |
| William de Ferrers School | FERRERS Essex, CM3 5JU | Map | Website |
