| Abbey School Reading
| Reading | Berkshire | PK-Sixth Form | none | Girls only | 705 | Christian Science |
| Alleyn's School 3.8/5 based on 1 student review(s) | London | London | PK-Sixth Form | none | Coed | 950 | Church of England |
| American School in England
| Thorpe | Surrey | PK-12th | 9th-12th | Coed | 730 | None |
| American School in London
| London | London | K-Sixth Form | none | Coed | 1350 | Non-Denominational Christian |
| Ardingly College
| Haywards Heath | West Sussex | 8th-Sixth Form | 8th-Sixth Form | Coed | 490 | Church of England |
| Ashbourne Independent School
| London | London | 11th-Sixth Form | none | Coed | 200 | None |
| Bedales School
| Petersfield | Hampshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 450 | Non-Denominational Christian |
| Box Hill School
| Dorking | Surrey | 6th-12th | 6th-12th | Coed | 425 | None |
| Bradfield College
| Reading | Berkshire | none | 7th-Sixth Form | Coed | 735 | Church of England |
| Bromley High School
| Bromley | Kent | PK-Sixth Form | none | Girls only | 900 | Non-Denominational Christian |
| Caterham School
| Caterham | Surrey | PK-Sixth Form | 6th-Sixth Form | Coed | 1100 | Non-Denominational Christian |
| Charterhouse
| Godalming | Surrey | 6th-Sixth Form | 6th-Sixth Form | Boys only | 800 | Church of England |
| Christ's Hospital
| Horsham | West Sussex | 6th-Sixth Form | 6th-Sixth Form | Coed | 815 | Church of England |
| City of London Freemen's School
| Ashtead | Surrey | 2nd-Sixth Form | 6th-Sixth Form | Coed | 850 | Non-Denominational Christian |
| City of London School
| London | London | 3rd-12th | none | Boys only | 875 | None |
| City of London School for Girls
| London | London | 1st-Sixth Form | none | Girls only | 672 | Non-Denominational Christian |
| Colfe's School
| London | London | PK-Sixth Form | none | Coed | 750 | Church of England |
| Collingham College
| London | London | 9th-Sixth Form | none | Coed | 220 | None |
| Cranleigh School
| Cranleigh | Surrey | 1st-12th | 7th-12th | Coed | 600 | Church of England |
| Croydon High School
| South Croydon | Surrey | PK-Sixth Form | none | Girls only | 420 | Non-Denominational Christian |
| Davies Laing and Dick College
| London | London | 6th-Sixth Form | 6th-Sixth Form | Coed | 325 | Non-Denominational Christian |
| Dulwich College
| London | London | 1st-12th | 6th-12th | Boys only | 1440 | Church of England |
| Ealing Independent College
| London | London | 9th-Sixth Form | none | Coed | 125 | Non-Denominational Christian |
| Eltham College
| London | London | 2nd-Sixth Form | none | Boys only | 630 | Non-Denominational Christian |
| Emanuel School
| London | London | 5th-Sixth Form | none | Coed | 700 | Non-Denominational Christian |
| Epsom College
| Epsom | Surrey | 8th-Sixth Form | 8th-Sixth Form | Coed | 730 | Church of England |
| Eton College 4.7/5 based on 2 student review(s) | Windsor | Berkshire | none | 6th-12th | Boys only | 1300 | Anglican |
| Francis Holland School
| London | London | 4th-12th | none | Girls only | 410 | None |
| Frensham Heights School
| Farnham | Surrey | PK-Sixth Form | 6th-Sixth Form | Coed | 500 | Non-Denominational Christian |
| Godolphin and Latymer School 5/5 based on 1 student review(s) | London | London | 4th-12th | none | Girls only | 710 | Non-Denominational Christian |
| Guildford High School for Girls
| Guildford | Surrey | K-12th | none | Girls only | 640 | Non-Denominational Christian |
| Hampton School
| Hampton | Middlesex | 5th-12th | none | Boys only | 1120 | Non-Denominational Christian |
| Harrodian School
| London | London | PK-Sixth Form | none | Coed | 945 | Non-Denominational Christian |
| Harrow School
| Harrow | Middlesex | none | 6th-12th | Boys only | 800 | Church of England |
| Highgate School
| London | London | PK-Sixth Form | none | Coed | 950 | Church of England |
| Hurstpierpoint College
| Hassocks | West Sussex | PK-Sixth Form | 6th-Sixth Form | Coed | 595 | Church of England |
| Hurtwood House School
| Dorking | Surrey | 11th-Sixth Form | none | Coed | 325 | Non-Denominational Christian |
| Ibstock Place School
| London | London | PK-Sixth Form | none | Coed | 880 | Non-Denominational Christian |
| Immanuel College
| Bushey | Herefordshire | 6th-Sixth Form | none | Coed | 495 | Jewish |
| James Allen's Girls' School
| London | London | 4th-12th | none | Girls only | 740 | Church of England |
| John Lyon School
| Harrow-on-the-Hill | Middlesex | 4th-12th | none | Boys only | 580 | Non-Denominational Christian |
| King's College School 4.2/5 based on 1 student review(s) | Wimbledon Common | London | 1st-12th | none | Boys only | 1200 | Anglican |
| Kingston Grammar School
| Kingston Upon Thames | Surrey | 5th-Sixth Form | none | Coed | 825 | Non-Denominational Christian |
| Lady Eleanor Holles School
| Hampton | Middlesex | 1st-12th | none | Girls only | 850 | Church of England |
| Lancing College
| Lancing | West Sussex | 8th-Sixth Form | 8th-Sixth Form | Coed | 525 | Church of England |
| Latymer Upper School
| London | London | 2nd-Sixth Form | none | Coed | 1045 | Non-Denominational Christian |
| Leighton Park School
| Reading | Berkshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 505 | Quakers/Friends |
| Licensed Victualler's School
| Ascot | Berkshire | PK-Sixth Form | 6th-Sixth Form | Coed | 890 | Non-Denominational Christian |
| Mander Portman Woodward
| London | London | 11th-Sixth Form | none | Coed | 525 | Non-Denominational Christian |
| Manor House School
| Leatherhead | Surrey | PK-11th | none | Coed | 190 | Non-Denominational Christian |
| Merchant Taylors' School
| Northwood | Middlesex | 4th-12th | none | Boys only | 872 | Anglican |
| North Bridge House Senior School
| London | London | 6th-11th | none | Coed | 195 | Non-Denominational Christian |
| North London Collegiate School
| Edgware | Middlesex | 3rd-12th | none | Girls only | 1080 | Non-Denominational Christian |
| Northwood College
| Northwood | Middlesex | PK-Sixth Form | none | Girls only | 780 | Non-Denominational Christian |
| Notting Hill and Ealing High School
| London | London | PK-12th | none | Girls only | 825 | Non-Denominational Christian |
| Old Palace of John Whitgift School
| Croydon | Surrey | PK-Sixth Form | none | Girls only | 840 | Church of England |
| Oratory School
| Reading | Oxfordshire | 6th-Sixth Form | 6th-Sixth Form | Boys only | 430 | Roman Catholic |
| Putney High School
| London | London | PK-12th | none | Girls only | 870 | Non-Denominational Christian |
| Putney Park School
| London | London | PK-11th | none | Girls only | 220 | Church of England |
| Queen Anne's School
| Reading | Berkshire | 6th-Sixth Form | none | Girls only | 365 | Church of England |
| Queen's College London
| London | Lanarkshire | 6th-Sixth Form | none | Girls only | 490 | None |
| Queen's Gate School
| London | London | PK-12th | none | Girls only | 420 | Non-Denominational Christian |
| Reading Blue Coat School
| Reading | Berkshire | 6th-Sixth Form | none | Boys only | 615 | Church of England |
| Reeds School
| Cobham | Surrey | 6th-Sixth Form | 6th-Sixth Form | Coed | 580 | Church of England |
| Reigate Grammar School
| Reigate | Surrey | PK-Sixth Form | none | Coed | 495 | Non-Denominational Christian |
| Royal Grammar School Guildford 4.8/5 based on 2 student review(s) | Guildford | Surrey | 4th-12th | none | Boys only | 889 | Church of England |
| Royal Masonic School for Girls
| Rickmansworth | Herefordshire | PK-Sixth Form | 2nd-Sixth Form | Girls only | 805 | Non-Denominational Christian |
| Seaford College
| Petworth | West Sussex | 5th-Sixth Form | 5th-Sixth Form | Coed | 610 | Church of England |
| Shiplake College
| Henley-on-Thames | Oxfordshire | 6th-Sixth Form | 8th-Sixth Form | Boys only | 345 | Church of England |
| Sir William Perkins's School
| Chertsey | Surrey | 6th-Sixth Form | none | Girls only | 560 | Non-Denominational Christian |
| South Hampstead High School
| London | London | PK-Sixth Form | none | Girls only | 575 | Non-Denominational Christian |
| Southbank International School
| London | London | PK-Sixth Form | none | Coed | 315 | Non-Denominational Christian |
| St. Benedict's School
| London | London | PK-Sixth Form | none | Coed | 985 | Roman Catholic |
| St. Catherine's School Guildford
| Guildford | Surrey | 1st-12th | 6th-12th | Girls only | 535 | Church of England |
| St. Dunstan's College
| London | London | PK-Sixth Form | none | Coed | 835 | Anglican |
| St. George's College
| Addlestone | Surrey | PK-Sixth Form | none | Coed | 890 | Roman Catholic |
| St. Helen's School
| Northwood | Middlesex | K-Sixth Form | none | Girls only | 1164 | Non-Denominational Christian |
| St. James Senior Girls' School
| London | London | PK-Sixth Form | none | Girls only | 290 | Non-Denominational Christian |
| St. John's School Leatherhead
| Leatherhead | Surrey | 8th-Sixth Form | 8th-Sixth Form | Coed | 550 | Church of England |
| St. Margaret's School London
| London | London | PK-11th | none | Girls only | 135 | Church of England |
| St. Mary's School Ascot
| Ascot | Berkshire | 4th-12th | 4th-12th | Girls only | 350 | Roman Catholic |
| St. Mary's School Gerrards Cross
| Gerrards Cross | Buckinghamshire | PK-12th | none | Coed | 325 | Non-Denominational Christian |
| St. Paul's Girls' School London
| London | London | 4th-12th | none | Girls only | 690 | Non-Denominational Christian |
| St. Paul's School London 4.6/5 based on 1 student review(s) | London | London | 6th-12th | 6th-12th | Boys only | 845 | Church of England |
| Surbiton High School
| Kingston upon Thames | Surrey | PK-Sixth Form | none | Girls only | 875 | Non-Denominational Christian |
| Tormead School
| Guildford | Surrey | PK-12th | none | Girls only | 760 | Non-Denominational Christian |
| Trinity School Croydon
| Croydon | Surrey | 5th-Sixth Form | none | Boys only | 890 | None |
| University College School
| London | London | PK-Sixth Form | none | Boys only | 780 | Non-Denominational Christian |
| Wellington College
| Crowthome | Berkshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 990 | Church of England |
| Westminster School London 4.8/5 based on 4 student review(s) | London | London | 6th-12th | 6th-12th | Coed | 750 | Church of England |
| Whitgift School
| South Croydon | Surrey | 5th-Sixth Form | none | Boys only | 1175 | Non-Denominational Christian |
| Wimbledon High School
| London | London | PK-Sixth Form | none | Girls only | 605 | Non-Denominational Christian |
| Woldingham School
| Woldingham | Surrey | 6th-Sixth Form | 6th-Sixth Form | Girls only | 530 | Roman Catholic |
| Worth School
| Crawley | West Sussex | 6th-Sixth Form | 6th-Sixth Form | Coed | 525 | Roman Catholic |
| Wycombe Abbey School 4.6/5 based on 1 student review(s) | High Wycombe | Buckinghamshire | 4th-12th | 4th-12th | Girls only | 550 | Church of England |