| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Bancroft's School | WOODFORD GREEN Essex, IG8 0RF | Map | Website |
| Bedford Girls' School | BEDFORD Bedfordshire, MK42 0BX | Map | Website |
| Beechwood Park School | ST ALBANS Hertfordshire, AL3 8AW | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| Coopers' Company & Coborn School | UPMINSTER Essex, RM14 3HS | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Downe House | THATCHAM Berkshire, RG18 9JJ | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Goffs Academy | CHESHUNT Hertfordshire, EN7 5QW | tbc | Website |
| Haberdashers' Elstree Schools | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Headington School | OXFORD Oxfordshire, OX3 7TD | Map | Website |
| Heath Mount School | HERTFORD Hertfordshire, SG14 3NG | Map | Website |
| Hertswood Academy | BOREHAMWOOD Hertfordshire, WD6 5LG | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Ipswich School | IPSWICH Suffolk, IP1 3SG | Map | Website |
| John F Kennedy Catholic School | HEMEL HEMPSTEAD Hertfordshire, HP1 2PH | Map | Website |
| Kent College | CANTERBURY Kent, CT2 9DT | Map | Website |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| Marshalls Park School | ROMFORD Essex, RM1 4EH | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Northwood College for Girls | NORTHWOOD Middlesex, HA6 2YE | Map | Website |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Redborne Upper School | AMPTHILL Bedfordshire, MK45 2NU | Map | Website |
| Repton School | DERBY Derbyshire, DE65 6FH | Map | Website |
| Rickmansworth School | RICKMANSWORTH Hertfordshire, WD3 3AQ | Map | Website |
| Roding Valley High School | LOUGHTON Essex, IG10 3JA | Map | Website |
| Roundwood Park School | HARPENDEN Hertfordshire, AL5 3AE | Map | Website |
| Samuel Whitbread Academy | SHEFFORD Bedfordshire, SG17 5QS | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Simon Balle School | HERTFORD Hertfordshire, SG13 8AJ | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Edmund's College, Ware | WARE Hertfordshire, SG11 1DS | Map | Website |
| St George's Weybridge | ADDLESTONE Surrey, KT15 2QS | Map | Website |
| St Helen's School | NORTHWOOD Middlesex, HA6 3AS | Map | Website |
| St Margaret's School, Bushey | BUSHEY Hertfordshire, WD23 1DT | Map | Website |
| Stamford | STAMFORD Lincolnshire, PE9 2BS | Map | Website |
| Stanborough School, Welwyn Garden City | WELWYN GARDEN CITY Hertfordshire, AL8 6YR | Map | Website |
| Stormont School | POTTERS BAR Hertfordshire, EN6 5HA | Map | Website |
| Surbiton High School | KINGSTON-UPON-THAMES Surrey, KT1 2JT | Map | Website |
| Sutton Valence School | MAIDSTONE Kent, ME17 3HL | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| The Perse School | CAMBRIDGE Cambridgeshire, CB2 8QF | Map | Website |
| The Royal Masonic School for Girls | RICKMANSWORTH Hertfordshire, WD3 4HF | Map | Website |
| Watford Grammar School for Girls | WATFORD Hertfordshire, WD18 0AE | Map | Website |
| Wycombe High School | HIGH WYCOMBE Buckinghamshire, HP11 1TB | Map | Website |
