| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | Map | Website |
| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Aldwickbury School | HARPENDEN Hertfordshire, AL5 1AD | Map | Website |
| Bedford Girls' School | BEDFORD Bedfordshire, MK42 0BX | Map | Website |
| Bedford School | BEDFORD Bedfordshire, MK40 2TU | 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 |
| Bishop's Stortford High School | BISHOP'S STORTFORD Hertfordshire, CM23 3LU | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Charterhouse | GODALMING Surrey, GU7 2DX | Map | Website |
| Cheltenham College | CHELTENHAM Gloucestershire, GL53 7LD | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| Clifton College | BRISTOL Avon, BS8 3JH | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Dunottar School | REIGATE Surrey, RH2 7EL | Map | Website |
| Edge Grove | ALDENHAM VILLAGE Hertfordshire, WD25 8NL | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Framlingham College | WOODBRIDGE Suffolk, IP13 9EY | Map | Website |
| Freman College | BUNTINGFORD Hertfordshire, SG9 9BT | Map | Website |
| Fulham Prep School | LONDON Middlesex, W14 9SD | Map | Website |
| Haberdashers' Aske's Federation | LONDON Middlesex, SE14 5SF | Map | Website |
| Haberdashers' Aske's School for Girls | ELSTREE Hertfordshire, WD6 3BT | Map | Website |
| Harrow School | HARROW-ON-THE-HILL Middlesex, HA1 3HP | Map | Website |
| Heath Mount School | HERTFORD Hertfordshire, SG14 3NG | Map | Website |
| Ipswich School | IPSWICH Suffolk, IP1 3SG | Map | Website |
| John Warner School | HODDESDON Hertfordshire, EN11 0QF | Map | Website |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| King's College School | CAMBRIDGE Cambridgeshire, CB3 9DN | Map | Website |
| Kingshott Preparatory School | HITCHIN Hertfordshire, SG4 7JX | Map | Website |
| Llandovery College | LLANDOVERY Carmarthenshire, SA20 0EE | Map | Website |
| Lochinver House School | POTTERS BAR Hertfordshire, EN6 1LW | Map | Website |
| Lockers Park School | HEMEL HEMPSTEAD Hertfordshire, HP1 1TL | Map | Website |
| Marlborough College | MARLBOROUGH Wiltshire, SN8 1PA | 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 |
| Norwich High School for Girls | NORWICH Norfolk, NR2 2HU | Map | Website |
| Norwich School | NORWICH Norfolk, NR1 4DD | Map | Website |
| Oakham School | OAKHAM Leicestershire, LE15 6DT | Map | Website |
| Oaklands College | ST ALBANS Hertfordshire, AL4 0JA | Map | Website |
| Oundle School | PETERBOROUGH Northamptonshire, PE8 4GH | Map | Website |
| Presdales School | WARE Hertfordshire, SG12 9NX | Map | Website |
| Princess Helena College | HITCHIN Hertfordshire, SG4 7RT | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Radley College | ABINGDON Oxfordshire, OX14 2HR | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Royal Hospital School | IPSWICH Suffolk, IP9 2RX | Map | Website |
| Rugby School | RUGBY Warwickshire, CV22 5EH | Map | Website |
| Saffron Walden County High School | SAFFRON WALDEN Essex, CB11 4UH | Map | Website |
| Samuel Whitbread Academy | SHEFFORD Bedfordshire, SG17 5QS | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| Simon Balle School | HERTFORD Hertfordshire, SG13 8AJ | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Columba's College | ST ALBANS Hertfordshire, AL3 4AW | Map | Website |
| St Edmund's College, Ware | WARE Hertfordshire, SG11 1DS | Map | Website |
| St George's School Ascot | ASCOT Berkshire, SL5 7DZ | 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 School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Stormont School | POTTERS BAR Hertfordshire, EN6 5HA | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The King's School, Canterbury | CANTERBURY Kent, CT1 2ES | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| The Perse School | CAMBRIDGE Cambridgeshire, CB2 8QF | Map | Website |
| Tonbridge School | TONBRIDGE Kent, TN9 1JP | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Uppingham School | UPPINGHAM Leicestershire, LE15 9QE | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| Westbrook Hay Preparatory School | HEMEL HEMPSTEAD Hertfordshire, HP1 2RF | Map | Website |
| Winchester College | WINCHESTER Hampshire, SO23 9NA | Map | Website |
| York House School | RICKMANSWORTH Hertfordshire, WD3 4LW | Map | Website |
