| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | Map | Website |
| Aylesbury High School | AYLESBURY Buckinghamshire, HP21 7SX | Map | Website |
| Beaconsfield High School | BEACONSFIELD Buckinghamshire, HP9 1RR | Map | Website |
| Bedford Girls' School | BEDFORD Bedfordshire, MK42 0BX | Map | Website |
| Benenden | CRANBROOK Kent, TN17 4AA | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Berkshire College of Agriculture | MAIDENHEAD Berkshire, SL6 6QR | Map | Website |
| Birkenhead School | WIRRAL Cheshire, CH43 2JD | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Bohunt School Wokingham | ARBORFIELD Berkshire, RG2 9GB | Map | Website |
| Bradfield College | BRADFIELD Berkshire, RG7 6AU | Map | Website |
| Burnham Grammar School | BURNHAM Buckinghamshire, SL1 7HG | Map | Website |
| BYE | Australia, | tbc | Website |
| Caterham School | CATERHAM Surrey, CR3 6YA | Map | Website |
| Cheltenham Ladies' College | CHELTENHAM Gloucestershire, GL50 3EP | Map | Website |
| Chesham Grammar School | CHESHAM Buckinghamshire, HP5 1BA | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Cressex Community School | HIGH WYCOMBE Buckinghamshire, HP12 4QA | Map | Website |
| Downe House | THATCHAM Berkshire, RG18 9JJ | Map | Website |
| Dr Challoner's High School | AMERSHAM Buckinghamshire, HP7 9QB | Map | Website |
| Eton College | WINDSOR Berkshire, SL4 6DW | Map | Website |
| Farmor's School | FAIRFORD Gloucestershire, GL7 4JQ | Map | Website |
| Fettes College | EDINBURGH Midlothian, EH4 1QX | Map | Website |
| Godolphin | SALISBURY Wiltshire, SP1 2RA | Map | Website |
| Godstowe Preparatory School | HIGH WYCOMBE Buckinghamshire, HP13 6PR | Map | Website |
| Great Marlow School | MARLOW Buckinghamshire, SL7 1JE | Map | Website |
| Guildford High School | GUILDFORD Surrey, GU1 1SJ | Map | Website |
| Haberdashers' Elstree Schools | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Headington Rye Oxford | OXFORD Oxfordshire, OX3 7TD | Map | Website |
| Heathfield School | ASCOT Berkshire, SL5 8BQ | Map | Website |
| Ibstock Place School | LONDON Surrey, SW15 5PY | Map | Website |
| Ipswich School | IPSWICH Suffolk, IP1 3SG | Map | Website |
| John Hampden Grammar School | HIGH WYCOMBE Buckinghamshire, HP11 1SZ | Map | Website |
| Lady Eleanor Holles | HAMPTON Middlesex, TW12 3HF | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Magdalen College School | OXFORD Oxfordshire, OX4 1DZ | Map | Website |
| Marlborough College | MARLBOROUGH Wiltshire, SN8 1PA | Map | Website |
| Moreton Hall | OSWESTRY Shropshire, SY11 3EW | Map | Website |
| North London Collegiate School | EDGWARE Middlesex, HA8 7RJ | Map | Website |
| Northampton High School | NORTHAMPTON Northamptonshire, NN4 6UU | Map | Website |
| Northwood College for Girls | NORTHWOOD Middlesex, HA6 2YE | Map | Website |
| Oxford High School | OXFORD Oxfordshire, OX2 6XA | Map | Website |
| Pipers Corner School | HIGH WYCOMBE Buckinghamshire, HP15 6LP | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | Map | Website |
| Queen Anne's School | READING Berkshire, RG4 6DX | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Radnor House Twickenham | TWICKENHAM Middlesex, TW1 4QG | Map | Website |
| Reddam House School | WOKINGHAM Berkshire, RG41 5BG | Map | Website |
| RGS, High Wycombe | HIGH WYCOMBE Buckinghamshire, HP13 6QT | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Sandringham School | Camberley Surrey, GU16 9YF | tbc | tbc |
| Sir William Borlase's Grammar School | MARLOW Buckinghamshire, SL7 2BR | Map | Website |
| Sir William Perkins's School | CHERTSEY Surrey, KT16 9BN | Map | Website |
| Sir William Ramsay School | HIGH WYCOMBE Buckinghamshire, HP15 7UB | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Bartholomew's School | NEWBURY Berkshire, RG14 6JP | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Catherine's School | BRAMLEY Surrey, GU5 0DF | 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 & St Katharine | ABINGDON Oxfordshire, OX14 1BE | Map | Website |
| St Margaret's School, Bushey | BUSHEY Hertfordshire, WD23 1DT | Map | Website |
| St Mary's Calne | CALNE Wiltshire, SN11 0DF | Map | Website |
| St Mary's School Ascot | ASCOT Berkshire, SL5 9JF | Map | Website |
| St Mary's School Gerrards Cross | GERRARDS CROSS Buckinghamshire, SL9 8JQ | Map | Website |
| St Michael's Catholic School | HIGH WYCOMBE Buckinghamshire, HP11 1PW | Map | Website |
| St Paul's Girls' School | LONDON Middlesex, W6 7BS | Map | Website |
| St Swithun's School | WINCHESTER Hampshire, SO21 1HA | Map | Website |
| Stowe School | BUCKINGHAM Buckinghamshire, MK18 5EH | Map | Website |
| The Highcrest Academy | HIGH WYCOMBE Buckinghamshire, HP13 7NQ | Map | Website |
| The Oratory School | READING Oxfordshire, RG8 0PJ | Map | Website |
| The Royal Masonic School for Girls | RICKMANSWORTH Hertfordshire, WD3 4HF | Map | Website |
| Walthamstow Hall | SEVENOAKS Kent, TN13 3UL | Map | Website |
| Wellington College | CROWTHORNE Berkshire, RG45 7PU | Map | Website |
| Westonbirt School | TETBURY Gloucestershire, GL8 8QG | Map | Website |
| Winchester House School | BRACKLEY Northamptonshire, NN13 7AZ | Map | Website |
| Withington Girls' School | MANCHESTER Lancashire, M14 6BL | Map | Website |
| Wycombe High School | HIGH WYCOMBE Buckinghamshire, HP11 1TB | Map | Website |
