| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | Map | Website |
| Ashlyns School | BERKHAMSTED Hertfordshire, HP4 3AH | Map | Website |
| Bancroft's School | WOODFORD GREEN Essex, IG8 0RF | Map | Website |
| Beaumont School | ST ALBANS Hertfordshire, AL4 0XB | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Bedford School | BEDFORD Bedfordshire, MK40 2TU | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Bishop's Stortford High School | BISHOP'S STORTFORD Hertfordshire, CM23 3LU | Map | Website |
| Bloxham School | BANBURY Oxfordshire, OX15 4PE | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Campion School, Essex | HORNCHURCH Essex, RM11 3BX | Map | Website |
| Chancellor's School | HATFIELD Hertfordshire, AL9 7BN | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Goffs School | WALTHAM CROSS Hertfordshire, EN7 5QW | Map | Website |
| Haberdashers' Aske's School for Girls | ELSTREE Hertfordshire, WD6 3BT | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Hemel Hempstead School | HEMEL HEMPSTEAD Hertfordshire, HP1 1TX | Map | Website |
| Immanuel College | BUSHEY Hertfordshire, WD23 4EB | Map | Website |
| Kings Langley School | KINGS LANGLEY Hertfordshire, WD4 9HN | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Nicholas Breakspear Catholic School | ST ALBANS Hertfordshire, AL4 0TT | Map | Website |
| Oundle School | PETERBOROUGH Northamptonshire, PE8 4GH | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Roundwood Park School | HARPENDEN Hertfordshire, AL5 3AE | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Sir John Lawes School | HARPENDEN Hertfordshire, AL5 4QP | Map | Website |
| Skinners' School | TUNBRIDGE WELLS Kent, TN4 9PG | Map | Website |
| St Albans Girls' School | ST ALBANS Hertfordshire, AL3 6DB | 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 Columba's College | ST ALBANS Hertfordshire, AL3 4AW | Map | Website |
| St George's School, Harpenden | HARPENDEN Hertfordshire, AL5 4TD | Map | Website |
| St Helen's School | NORTHWOOD Middlesex, HA6 3AS | Map | Website |
| St James Senior Girls' School | LONDON Greater London, W14 8SH | Map | Website |
| St John's Beaumont School | OLD WINDSOR Berkshire, SL4 2JN | Map | Website |
| Stamford | STAMFORD Lincolnshire, PE9 2BS | Map | Website |
| Sutton Valence School | MAIDSTONE Kent, ME17 3HL | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The Oratory School | READING Oxfordshire, RG8 0PJ | Map | Website |
| The Perse School | CAMBRIDGE Cambridgeshire, CB2 8QF | Map | Website |
| The Royal Masonic School for Girls | RICKMANSWORTH Hertfordshire, WD3 4HF | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Victoria College | ST HELIER Jersey, JE1 4HT | Map | Website |
| Watford Grammar School for Boys | WATFORD Hertfordshire, WD18 7JF | Map | Website |
