| Abbey School Reading
| Reading | Berkshire | PK-Sixth Form | none | Girls only | 705 | Christian Science |
| Abingdon School
| Abingdon | Oxfordshire | 6th-12th | 6th-12th | Boys only | 1003 | Church of England |
| Ackworth School
| Pontefract | West Yorkshire | PK-Sixth Form | 12th-Sixth Form | Coed | 585 | Quakers/Friends |
| Akeley Wood School
| Buckingham | Buckinghamshire | PK-Sixth Form | none | Coed | 570 | Non-Denominational Christian |
| Aldenham School
| Borehamwood | Hertfordshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 560 | Church of England |
| Alderley Edge School for Girls
| Alderley Edge | Cheshire | PK-12th | none | Girls only | 605 | Non-Denominational Christian |
| 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 |
| Ampleforth College
| York | North Yorkshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 615 | Roman Catholic |
| Ardingly College
| Haywards Heath | West Sussex | 8th-Sixth Form | 8th-Sixth Form | Coed | 490 | Church of England |
| Arnold School
| Blackpool | Lancashire | PK-Sixth Form | none | Coed | 550 | Non-Denominational Christian |
| Ashbourne Independent School
| London | London | 11th-Sixth Form | none | Coed | 200 | None |
| Ashford School
4.2/5
based on 1 student review(s) | Ashford | Kent | PK-Sixth Form | 6th-12th | Coed | 850 | Church of England |
| Ashville College
| Harrogate | North Yorkshire | PK-Sixth Form | 2nd-Sixth Form | Coed | 780 | Methodist |
| Badminton School
| Bristol | Bristol | PK-12th | 6th-12th | Girls only | 310 | None |
| Bancroft's School
| Woodford Green | Essex | 2nd-Sixth Form | none | Coed | 790 | Church of England |
| Beaconhurst School
| Stirling | Stirlingshire | PK-12th | none | Boys only | 370 | None |
| Bedales School
| Petersfield | Hampshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 450 | Non-Denominational Christian |
| Bedford High School for Girls
| Bedford | Bedfordshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 460 | Non-Denominational Christian |
| Bedford School
| Bedford | Bedfordshire | 2nd-Sixth Form | 8th-Sixth Form | Boys only | 715 | Church of England |
| Berkhamsted School
| Berkhamsted | Hertfordshire | PK-Sixth Form | 6th-Sixth Form | Coed | 1495 | Church of England |
| Birkdale School
| Sheffield | South Yorkshire | PK-Sixth Form | none | Boys only | 1000 | None |
| Birkenhead School
| Prenton | Merseyside | PK-Sixth Form | none | Coed | 750 | Church of England |
| Bishop's Stortford College
| Bishop's Stortford | Hertfordshire | PK-Sixth Form | 2nd-Sixth Form | Coed | 1130 | Non-Denominational Christian |
| Bloxham School
| Banbury | Oxfordshire | 6th-Sixth Form | 7th-Sixth Form | Coed | 436 | Church of England |
| Blundell's School
| Tiverton | Devon | PK-Sixth Form | 6th-Sixth Form | Coed | 575 | Church of England |
| Bolton School Boys' Division
| Bolton | Lanarkshire | PK-Sixth Form | none | Boys only | 915 | Non-Denominational Christian |
| Bolton School Girl's Division
| Bolton | Lanarkshire | PK-Sixth Form | none | Girls only | 1300 | Non-Denominational Christian |
| Bootham School
| York | North Yorkshire | PK-Sixth Form | 6th-Sixth Form | Coed | 480 | Quakers/Friends |
| Box Hill School
| Dorking | Surrey | 6th-12th | 6th-12th | Coed | 425 | None |
| Bradford Girls' Grammar School
3.4/5
based on 1 student review(s) | Bradford | West Yorkshire | K-12th | none | Girls only | 390 | None |
| Bradford Grammar School
3.8/5
based on 1 student review(s) | Bradford | West Yorkshire | 4th-Sixth Form | none | Coed | 900 | Non-Denominational Christian |
| Brentwood School
| Brentwood | Essex | PK-Sixth Form | 6th-Sixth Form | Coed | 1195 | Church of England |
| Brighton and Hove High School
| Brighton | East Sussex | PK-12th | none | Girls only | 425 | Non-Denominational Christian |
| Brighton College
3.8/5
based on 1 student review(s) | Brighton | East Sussex | 6th-12th | 6th-12th | Coed | 720 | Church of England |
| Bristol Grammar School
| Bristol | Bristol | 2nd-Sixth Form | none | Coed | 920 | Non-Denominational Christian |
| Bromley High School
| Bromley | Kent | PK-Sixth Form | none | Girls only | 900 | Non-Denominational Christian |
| Bromsgrove School
| Bromsgrove | Worcestershire | PK-Sixth Form | 8th-Sixth Form | Coed | 1600 | None |
| Canford School
| Whimborne | Dorset | 6th-12th | 6th-12th | Coed | 605 | Church of England |
| Caterham School
| Caterham | Surrey | PK-Sixth Form | 6th-Sixth Form | Coed | 1100 | Non-Denominational Christian |
| Central Newcastle High School
| Newcastle upton Tyne | Tyne and Wear | PK-Sixth Form | none | Girls only | 940 | Non-Denominational Christian |
| Charterhouse
| Godalming | Surrey | 6th-Sixth Form | 6th-Sixth Form | Boys only | 800 | Church of England |
| Cheadle Hulme School
| Cheadle | Cheshire | PK-Sixth Form | none | Coed | 1380 | Non-Denominational Christian |
| Cheltenham College
| Cheltenham | Gloucestershire | PK-Sixth Form | 8th-Sixth Form | Coed | 700 | Church of England |
| Cheltenham Ladies' College
3.4/5
based on 1 student review(s) | Cheltenham | Gloucestershire | 6th-12th | 6th-12th | Girls only | 856 | Non-Denominational Christian |
| Chigwell School
| Chigwell | Essex | 2nd-Sixth Form | 6th-Sixth Form | Coed | 510 | Church of England |
| Christ College Brecon
| Brecon | Powys | 6th-Sixth Form | 6th-Sixth Form | Coed | 340 | Anglican |
| 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 |
| Clayesmore School
| Blandford Forum | Dorset | PK-Sixth Form | 6th-Sixth Form | Coed | 425 | Church of England |
| Clifton College
| Bristol | Bristol | PK-Sixth Form | 3rd-Sixth Form | Coed | 1120 | Church of England |
| Cokethorpe School
| Oxford | Oxfordshire | PK-Sixth Form | none | Coed | 660 | Roman Catholic |
| 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 |
| Concord College
| Shrewsbury | Shropshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 415 | Non-Denominational Christian |
| 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 |
| Culford School
| Bury St. Edmunds | Suffolk | PK-Sixth Form | 2nd-Sixth Form | Coed | 650 | Methodist |
| d'Overbroeck's College
| Oxford | Oxfordshire | 6th-Sixth Form | 11th-Sixth Form | Coed | 245 | Non-Denominational Christian |
| Dame Allan's Boys' School
| Newcastle upon Tyne | Tyne and Wear | 6th-Sixth Form | none | Boys only | 305 | Non-Denominational Christian |
| Dame Allan's Girls' School
| Newcastle upon Tyne | Tyne and Wear | 6th-Sixth Form | none | Girls only | 230 | Non-Denominational Christian |
| Dauntsey's School
| Devizes | Wiltshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 790 | Anglican |
| Davies Laing and Dick College
| London | London | 6th-Sixth Form | 6th-Sixth Form | Coed | 325 | Non-Denominational Christian |
| Dean Close School
4.6/5
based on 1 student review(s) | Cheltenham | Gloucestershire | PK-12th | none | Coed | 511 | Church of England |
| Dollar Academy
| Dollar | Clackmannanshire | K-Sixth Form | 7th-Sixth Form | Coed | 1240 | Non-Denominational Christian |
| Dover College
| Dover | Kent | PK-Sixth Form | 6th-Sixth Form | Coed | 355 | None |
| Downe House School
4.2/5
based on 1 student review(s) | Thatcham | Berkshire | 4th-12th | 4th-12th | Girls only | 560 | Church of England |
| Downside School
| Radstock | Somerset | 6th-12th | 6th-12th | Coed | 420 | Roman Catholic |
| Dulwich College
| London | London | 1st-12th | 6th-12th | Boys only | 1440 | Church of England |
| Durham High School for Girls
| Durham | Durham | PK-Sixth Form | none | Girls only | 600 | Church of England |
| Ealing Independent College
| London | London | 9th-Sixth Form | none | Coed | 125 | Non-Denominational Christian |
| Edgbaston High School for Girls
| Birmingham | West Midlands | PK-Sixth Form | none | Girls only | 490 | None |
| Edinburgh Academy
| Edinburgh | Edinburgh | PK-Sixth Form | none | Coed | 1025 | 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 |
| Exeter School
| Exeter | Devon | 2nd-Sixth Form | none | Coed | 695 | Church of England |
| Felsted School
| Dunmow | Essex | PK-Sixth Form | 9th-Sixth Form | Coed | 525 | Church of England |
| Fettes College
4.6/5
based on 1 student review(s) | Edinburgh | Edinburgh | 6th-12th | 6th-12th | Coed | 600 | Non-Denominational Christian |
| Forest School
| London | London | PK-Sixth Form | none | Coed | 1240 | Church of England |
| Framlingham College
| Woodbridge | Suffolk | PK-Sixth Form | 8th-Sixth Form | Coed | 425 | Church of England |
| 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 |
| George Heriot's School
| Edinburgh | Edinburgh | PK-Sixth Form | none | Coed | 1565 | Non-Denominational Christian |
| George Watson's College
| Edinburgh | Edinburgh | PK-Sixth Form | none | Coed | 2335 | Non-Denominational Christian |
| Giggleswick School
| Settle | North Yorkshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 390 | Church of England |
| Glasgow Academy
| Glasgow | Glasgow | PK-Sixth Form | none | Coed | 1280 | Non-Denominational Christian |
| Glenalmond College
| Perth | Perthshire | 7th-Sixth Form | 7th-Sixth Form | Coed | 400 | Episcopal |
| Godolphin and Latymer School
5/5
based on 1 student review(s) | London | London | 4th-12th | none | Girls only | 710 | Non-Denominational Christian |
| Godolphin School
| Salisbury | Wiltshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 440 | Non-Denominational Christian |
| Gordonstoun School
| Elgin | Moray | 3rd-Sixth Form | 3rd-Sixth Form | Coed | 600 | Non-Denominational Christian |
| Grammar School at Leeds
| Leeds | West Yorkshire | PK-Sixth Form | none | Coed | 2300 | Non-Denominational Christian |
| Grange School
| Northwich | Cheshire | PK-Sixth Form | none | Coed | 975 | Non-Denominational Christian |
| Gresham's School
| Holt | Norfolk | PK-Sixth Form | 6th-Sixth Form | Coed | 790 | Church of England |
| Guildford High School for Girls
| Guildford | Surrey | K-12th | none | Girls only | 640 | Non-Denominational Christian |
| Haberdashers' Aske's Boys' School
3.8/5
based on 1 student review(s) | Elstree | Hertfordshire | K-12th | none | Boys only | 1300 | Church of England |
| Haberdashers' Aske's School for Girls
| Elstree | Herefordshire | 3rd-12th | none | Girls only | 1111 | Non-Denominational Christian |
| Haberdashers' Monmouth School for Girls
| Monmouth | Monmouthshire | PK-Sixth Form | 4th-Sixth Form | Girls only | 630 | Non-Denominational Christian |
| Haileybury School
| Hertford | Herefordshire | 6th-Sixth Form | 8th-Sixth Form | Coed | 765 | 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 |
| Harrogate Ladies' College
| Harrogate | North Yorkshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 320 | Non-Denominational Christian |
| Headington School
| Oxford | Oxfordshire | PK-12th | PK-12th | Girls only | 870 | Church of England |
| High School of Dundee
| Dundee | Dundee | K-Sixth Form | none | Coed | 1015 | Non-Denominational Christian |
| High School of Glasgow
| Glasgow | Glasgow | K-Sixth Form | none | Coed | 685 | Non-Denominational Christian |
| Highgate School
| London | London | PK-Sixth Form | none | Coed | 950 | Church of England |
| Howell's School
| Cardiff | South Glamorgan | PK-Sixth Form | none | Girls only | 800 | Non-Denominational Christian |
| Huish Episcopi Academy
| Langport | Somerset | 6th-Sixth Form | none | Coed | 1240 | Non-Denominational Christian |
| 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 |
| Hutchesons' Grammar School
| Glasgow | Glasgow | PK-Sixth Form | none | Coed | 1585 | Non-Denominational Christian |
| Hymers College
| Hull | East Riding of Yorkshire | 3rd-Sixth Form | none | Coed | 980 | 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 |
| International College Sherborne
| Sherborne | Dorset | 6th-12th | none | Coed | 135 | Non-Denominational Christian |
| International School of Aberdeen
| Aberdeen | Aberdeenshire | PK-12th | none | Coed | 110 | None |
| Ipswich School
| Ipswich | Suffolk | PK-Sixth Form | 7th-Sixth Form | Coed | 810 | Church of England |
| 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 |
| Kelly College
| Tavistock | Devon | 6th-12th | none | Coed | 350 | Anglican |
| Kent College
| Tunbridge Wells | Kent | PK-Sixth Form | 2nd-Sixth Form | Coed | 410 | Methodist |
| Kilgraston School
| | Perthshire | PK-Sixth Form | 3rd-Sixth Form | Girls only | 325 | Roman Catholic |
| King Edward VI High School for Girls
5/5
based on 1 student review(s) | Birmingham | West Midlands | 4th-12th | none | Girls only | 545 | None |
| King Edward VI School Southampton
4.1/5
based on 3 student review(s) | Southampton | Hampshire | 7th-9th | none | Coed | 950 | Church of England |
| King Edward's School Bath
| Bath | Somerset | PK-Sixth Form | none | Coed | 950 | Non-Denominational Christian |
| King Edward's School Birmingham
4.8/5
based on 3 student review(s) | Birmingham | West Midlands | 4th-12th | none | Boys only | 840 | Church of England |
| King's Bruton
| Bruton | Somerset | 8th-Sixth Form | 8th-Sixth Form | Coed | 350 | Church of England |
| King's College
| Taunton | Somerset | 8th-Sixth Form | 8th-Sixth Form | Coed | 430 | Church of England |
| King's College School
4.2/5
based on 1 student review(s) | Wimbledon Common | London | 1st-12th | none | Boys only | 1200 | Anglican |
| King's High Warwick
| Warwick | Warwickshire | 6th-Sixth Form | none | Girls only | 675 | None |
| King's Rochester
| Rochester | Kent | PK-Sixth Form | 6th-Sixth Form | Coed | 600 | Church of England |
| King's School Canterbury
4.6/5
based on 1 student review(s) | Canterbury | Kent | 6th-12th | 6th-12th | Coed | 790 | Church of England |
| King's School Chester
| Chester | Cheshire | 2nd-Sixth Form | none | Coed | 995 | Church of England |
| King's School Ely
| Ely | Cambridgeshire | PK-Sixth Form | 3rd-Sixth Form | Coed | 960 | Church of England |
| King's School Macclesfield
| Macclesfield | Cheshire | PK-Sixth Form | none | Coed | 870 | Church of England |
| King's School Worcester
| Worcester | Worcestershire | PK-Sixth Form | none | Coed | 1470 | Church of England |
| Kingston Grammar School
| Kingston Upon Thames | Surrey | 5th-Sixth Form | none | Coed | 825 | Non-Denominational Christian |
| Kingswood School
| Bath | Somerset | PK-Sixth Form | 7th-Sixth Form | Coed | 650 | Methodist |
| 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 |
| Lathallan Senior School
| Johnshaven | Angus | PK-12th | none | Coed | 185 | Non-Denominational Christian |
| 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 |
| Leys School
3.6/5
based on 1 student review(s) | Cambridge | Cambridgeshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 560 | Methodist |
| Licensed Victualler's School
| Ascot | Berkshire | PK-Sixth Form | 6th-Sixth Form | Coed | 890 | Non-Denominational Christian |
| Lincoln Minster School
| Lincoln | Lincolnshire | PK-Sixth Form | 2nd-Sixth Form | Coed | 770 | Non-Denominational Christian |
| Loretto School
| Musselburgh | East Lothian | PK-Sixth Form | 3rd-Sixth Form | Coed | 580 | Non-Denominational Christian |
| Loughborough Grammar School
| Loughborough | Leicestershire | 6th-Sixth Form | 6th-Sixth Form | Boys only | 1005 | Non-Denominational Christian |
| Loughborough High School
| Loughborough | Leicestershire | 6th-Sixth Form | none | Girls only | 605 | Non-Denominational Christian |
| Magdalen College School
4.6/5
based on 1 student review(s) | Oxford | Oxfordshire | 1st-12th | none | Boys only | 651 | Church of England |
| Malvern College
| Malvern | Worcestershire | 8th-Sixth Form | 8th-Sixth Form | Coed | 660 | Church of England |
| Malvern St. James
| Malvern | Worcestershire | PK-Sixth Form | 3rd-Sixth Form | Girls only | 360 | Church of England |
| Manchester Grammar School
4.4/5
based on 4 student review(s) | Manchester | Lancashire | 4th-12th | none | Boys only | 1400 | Church of England |
| Manchester High School for Girls
| Manchester | Lancashire | PK-12th | none | Girls only | 940 | 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 |
| Marlborough College
3.8/5
based on 1 student review(s) | Marlborough | Wiltshire | 6th-12th | 6th-12th | Coed | 900 | Church of England |
| Mary Erskine School
| Ravelston | Edinburgh | PK-11th | 6th-11th | Girls only | 725 | Non-Denominational Christian |
| Maynard School
| Exeter | Devon | 2nd-Sixth Form | none | Girls only | 440 | Non-Denominational Christian |
| Mayville High School
| Southsea | Hampshire | PK-11th | none | Coed | 500 | Church of England |
| Merchant Taylors' Boys' School
| Liverpool | Merseyside | PK-Sixth Form | none | Boys only | 800 | Anglican |
| Merchant Taylors' Girls' School
| Liverpool | Merseyside | 6th-Sixth Form | none | Girls only | 565 | Non-Denominational Christian |
| Merchant Taylors' School
| Northwood | Middlesex | 4th-12th | none | Boys only | 872 | Anglican |
| Merchiston Castle School
| Edinburgh | Edinburgh | 3rd-Sixth Form | 6th-Sixth Form | Boys only | 480 | Non-Denominational Christian |
| Mill Hill School
| London | London | 8th-Sixth Form | 8th-Sixth Form | Coed | 610 | Non-Denominational Christian |
| Millfield School
| Street | Somerset | 8th-Sixth Form | 8th-Sixth Form | Coed | 1220 | Non-Denominational Christian |
| Milton Abbey School
| Blandford Forum | Dorset | 8th-Sixth Form | 8th-Sixth Form | Coed | 235 | Church of England |
| Monkton Senior School
| Bath | Somerset | 6th-Sixth Form | 6th-Sixth Form | Coed | 385 | None |
| Monmouth School
| Monmouth | Monmouthshire | 1st-Sixth Form | 6th-Sixth Form | Boys only | 690 | Anglican |
| Newcastle Under Lyme School
| Staffordshire | Staffordshire | PK-Sixth Form | none | Coed | 1072 | None |
| 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 |
| Norwich High School for Girls
| Norwich | Norfolk | PK-Sixth Form | none | Girls only | 625 | Non-Denominational Christian |
| Norwich School
| Norwich | Norfolk | 2nd-Sixth Form | none | Coed | 820 | Non-Denominational Christian |
| Notting Hill and Ealing High School
| London | London | PK-12th | none | Girls only | 825 | Non-Denominational Christian |
| Nottingham High School
4.4/5
based on 2 student review(s) | Nottingham | Nottinghamshire | PK-Sixth Form | none | Boys only | 850 | None |
| Nottingham High School for Girls
| Nottingham | Nottinghamshire | K-12th | none | Girls only | 1100 | Non-Denominational Christian |
| Oakham School
| Oakham | Rutland | 5th-Sixth Form | 5th-Sixth Form | Coed | 1080 | Church of England |
| 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 |
| Oundle School
4.7/5
based on 4 student review(s) | Peterborough | Northamptonshire | 4th-12th | 4th-12th | Coed | 1065 | Church of England |
| Oxford High School
| Oxford | Oxfordshire | PK-12th | none | Girls only | 952 | Non-Denominational Christian |
| Palmers Green High School
| London | London | PK-11th | none | Girls only | 320 | Non-Denominational Christian |
| Perse School Cambridge
4.1/5
based on 5 student review(s) | Cambridge | Cambridgeshire | PK-12th | none | Coed | 952 | Non-Denominational Christian |
| Perse School for Girls
4.1/5
based on 2 student review(s) | Cambridge | Cambridgeshire | K-12th | none | Girls only | 700 | Church of England |
| Plymouth College
| Plymouth | Devon | PK-Sixth Form | 6th-Sixth Form | Coed | 540 | Church of England |
| Portsmouth Grammar School
| Portsmouth | Hampshire | PK-Sixth Form | none | Coed | 1130 | Non-Denominational Christian |
| Prior Park College
| Bath | Somerset | 6th-Sixth Form | 8th-Sixth Form | Coed | 580 | 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 Elizabeth Grammar School
4.2/5
based on 1 student review(s) | Wakefield | West Yorkshire | PK-Sixth Form | none | Boys only | 745 | Non-Denominational Christian |
| Queen Elizabeth's Grammar School
| Blackburn | Lancashire | PK-Sixth Form | none | Coed | 630 | Church of England |
| Queen Elizabeth's Hospital
| Bristol | Bristol | PK-Sixth Form | none | Boys only | 530 | Non-Denominational Christian |
| Queen Ethelburga's College
| York | North Yorkshire | PK-Sixth Form | 1st-Sixth Form | Coed | 995 | Non-Denominational Christian |
| Queen Margaret's School York
| York | North Yorkshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 310 | Church of England |
| Queen Mary's School
| Thrisk | North Yorkshire | PK-11th | 4th-11th | Girls only | 244 | Church of England |
| Queen's College
| Taunton | Somerset | PK-Sixth Form | 7th-Sixth Form | Coed | 770 | Methodist |
| 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 |
| Queen's School
| Chester | Cheshire | PK-Sixth Form | none | Girls only | 570 | Non-Denominational Christian |
| Queenswood School
| Hatfield | Hertfordshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 400 | Non-Denominational Christian |
| Reading Blue Coat School
| Reading | Berkshire | 6th-Sixth Form | none | Boys only | 615 | Church of England |
| Redland High School
| Bristol | Bristol | PK-Sixth Form | none | Girls only | 420 | Non-Denominational Christian |
| 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 |
| Repton School
| Derby | Derbyshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 665 | Church of England |
| RGS Worcester
| Worcester | Worcestershire | PK-Sixth Form | none | Coed | 920 | Non-Denominational Christian |
| Robert Gordon's College
| Schoolhill | Aberdeenshire | PK-Sixth Form | none | Coed | 1090 | Non-Denominational Christian |
| Roedean School
| Brighton | East Sussex | PK-Sixth Form | 8th-Sixth Form | Girls only | 375 | Church of England |
| 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 Grammar School Newcastle
| Newcastle upon Tyne | Tyne and Wear | 2nd-Sixth Form | none | Coed | 1250 | Non-Denominational Christian |
| Royal High School
| Bath | Somerset | PK-Sixth Form | 7th-Sixth Form | Girls only | 630 | Non-Denominational Christian |
| Royal Masonic School for Girls
| Rickmansworth | Herefordshire | PK-Sixth Form | 2nd-Sixth Form | Girls only | 805 | Non-Denominational Christian |
| Rugby School
4/5
based on 1 student review(s) | Rugby | Warwickshire | 4th-12th | 4th-12th | Coed | 800 | Church of England |
| Ryde School with Upper Chine
| Ryde | Isle of Wight | PK-Sixth Form | 6th-Sixth Form | Coed | 515 | Church of England |
| School of St. Helen and St. Katharine
| Abingdon | Oxfordshire | 2nd-12th | none | Girls only | 615 | Anglican |
| Seaford College
| Petworth | West Sussex | 5th-Sixth Form | 5th-Sixth Form | Coed | 610 | Church of England |
| Sevenoaks School
5/5
based on 1 student review(s) | Sevenoaks | Kent | 4th-12th | 4th-12th | Coed | 1020 | None |
| Sheffield High School
| Sheffield | South Yorkshire | PK-Sixth Form | none | Girls only | 1000 | Non-Denominational Christian |
| Sherborne Girls School
| Sherborne | Dorset | 6th-Sixth Form | 6th-Sixth Form | Girls only | 405 | Church of England |
| Sherborne School
| Sherborne | Dorset | 8th-Sixth Form | 8th-Sixth Form | Boys only | 600 | Church of England |
| Shiplake College
| Henley-on-Thames | Oxfordshire | 6th-Sixth Form | 8th-Sixth Form | Boys only | 345 | Church of England |
| Shrewsbury High School
| Shrewsbury | Shropshire | PK-Sixth Form | none | Girls only | 765 | Non-Denominational Christian |
| Shrewsbury School
4/5
based on 4 student review(s) | Shrewsbury | Shropshire | 6th-12th | 6th-12th | Boys only | 680 | Church of England |
| Sidcot School
| Winscombe | Somerset | PK-Sixth Form | 7th-Sixth Form | Coed | 525 | Quakers/Friends |
| 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. Albans High School for Girls
| St. Alban | Hertfordshire | PK-Sixth Form | none | Girls only | 940 | Church of England |
| St. Albans School Hertfordshire
5/5
based on 1 student review(s) | St. Alban | Hertfordshire | 6th-Sixth Form | none | Boys only | 785 | Church of England |
| St. Aloysius' College
| Glasgow | Glasgow | PK-Sixth Form | none | Coed | 1767 | Roman Catholic |
| St. Bede's College
| Manchester | Lancashire | PK-Sixth Form | none | Coed | 825 | Roman Catholic |
| St. Bede's Senior School
| Hailsham | East Sussex | PK-Sixth Form | 7th-Sixth Form | Coed | 905 | Non-Denominational Christian |
| St. Bees School
| St. Bees | Cumbria | PK-Sixth Form | 6th-Sixth Form | Coed | 304 | Church of England |
| 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. Clare's
| Oxford | Oxfordshire | 5th-Sixth Form | none | Coed | 235 | Non-Denominational Christian |
| St. Dunstan's College
| London | London | PK-Sixth Form | none | Coed | 835 | Anglican |
| St. Edmund's College
| Ware | Hertfordshire | PK-Sixth Form | 7th-Sixth Form | Coed | 640 | Roman Catholic |
| St. Edmund's School
| Canterbury | Kent | PK-Sixth Form | 8th-Sixth Form | Coed | 285 | None |
| St. Edward's Oxford
4.8/5
based on 1 student review(s) | Oxford | Oxfordshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 660 | Church of England |
| St. George's College
| Addlestone | Surrey | PK-Sixth Form | none | Coed | 890 | Roman Catholic |
| St. George's School Edinburgh
| Edinburgh | Edinburgh | 6th-Sixth Form | 6th-Sixth Form | Girls only | 790 | Non-Denominational Christian |
| 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. Lawrence College
| Ramsgate | Kent | 8th-12th | 8th-12th | Coed | 330 | Church of England |
| St. Leonards School
| St. Andrews | Fife | PK-Sixth Form | 7th-Sixth Form | Coed | 515 | Non-Denominational Christian |
| St. Leonards-Mayfield School
| Mayfield | East Sussex | 6th-Sixth Form | 6th-Sixth Form | Girls only | 400 | Roman Catholic |
| 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 Calne
| Calne | Wiltshire | 4th-12th | 4th-12th | Girls only | 300 | Church of England |
| St. Mary's School Cambridge
| Cambridge | Cambridgeshire | PK-Sixth Form | 8th-Sixth Form | Girls only | 505 | 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 |
| St. Peter's School
| York | North Yorkshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 530 | Church of England |
| St. Swithun's School
4.2/5
based on 1 student review(s) | Winchester | Hampshire | 4th-12th | 4th-12th | Girls only | 475 | Church of England |
| Stamford High School
| Stamford | Lincolnshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 625 | Church of England |
| Stamford School
| Stamford | Lincolnshire | 6th-Sixth Form | 6th-Sixth Form | Boys only | 680 | Church of England |
| Stewart's Melville College
| | Edinburgh | 8th-Sixth Form | 8th-Sixth Form | Boys only | 730 | Non-Denominational Christian |
| Stockport Grammar School
| Stockport | Cheshire | PK-Sixth Form | none | Coed | 1030 | None |
| Stonyhurst College
| Clitheroe | Lancashire | PK-Sixth Form | 8th-Sixth Form | Coed | 460 | Roman Catholic (Jesuit) |
| Stowe School
| Buckingham | Buckinghamshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 760 | Church of England |
| Strathallan School
| Perth | Perthshire | 4th-Sixth Form | 4th-Sixth Form | Coed | 550 | Non-Denominational Christian |
| Surbiton High School
| Kingston upon Thames | Surrey | PK-Sixth Form | none | Girls only | 875 | Non-Denominational Christian |
| Sutton Valence School
| Maidstone | Kent | PK-Sixth Form | 6th-Sixth Form | Coed | 510 | Church of England |
| Taunton School
| Taunton | Somerset | PK-Sixth Form | 2nd-Sixth Form | Coed | 500 | Non-Denominational Christian |
| Tonbridge School
4.3/5
based on 3 student review(s) | Tonbridge | Kent | 6th-12th | 6th-12th | Boys only | 770 | Church of England |
| 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 |
| Truro School
| Truro | Cornwall | 6th-Sixth Form | 6th-Sixth Form | Coed | 850 | Methodist |
| Tudor Hall School
| Banbury | Oxfordshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 325 | Roman Catholic |
| University College School
| London | London | PK-Sixth Form | none | Boys only | 780 | Non-Denominational Christian |
| Uppingham School
| Uppingham | Rutland | 6th-12th | 6th-12th | Coed | 760 | Church of England |
| Wakefield Girls' High School
| Wakefield | West Yorkshire | PK-Sixth Form | none | Coed | 730 | Non-Denominational Christian |
| Warwick School
4.3/5
based on 2 student review(s) | Warwick | Warwickshire | 2nd-Sixth Form | 9th-Sixth Form | Boys only | 865 | Church of England |
| Wellington College
| Crowthome | Berkshire | 8th-Sixth Form | 8th-Sixth Form | Coed | 990 | Church of England |
| Wells Cathedral School
| Wells | Somerset | PK-Sixth Form | 2nd-Sixth Form | Coed | 570 | Church of England |
| Westbourne School
| Sheffield | South Yorkshire | PK-12th | none | Coed | 360 | Non-Denominational Christian |
| 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 |
| Windermere School
| Windermere | Cumbria | PK-12th | 6th-12th | Coed | 400 | Church of England |
| Withington Girls' School
3.4/5
based on 1 student review(s) | Manchester | Manchester | 2nd-12th | none | Girls only | 650 | Non-Denominational Christian |
| Woldingham School
| Woldingham | Surrey | 6th-Sixth Form | 6th-Sixth Form | Girls only | 530 | Roman Catholic |
| Wolverhampton Grammar School
| Wolverhampton | West Midlands | 5th-Sixth Form | none | Coed | 620 | Non-Denominational Christian |
| Woodbridge School
| Woodbridge | Suffolk | PK-Sixth Form | none | Coed | 960 | Church of England |
| Worth School
| Crawley | West Sussex | 6th-Sixth Form | 6th-Sixth Form | Coed | 525 | Roman Catholic |
| Wycliffe College
| Stonehouse | Gloucestershire | PK-Sixth Form | 8th-Sixth Form | Coed | 420 | Anglican |
| 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 |
| Yarm School
| Yarm | North Yorkshire | PK-Sixth Form | none | Coed | 680 | None |