| Cardiff Sixth Form College | Cardiff | 142 | Boarding | Co-ed | 91.3 | 88.45 |
| Wycombe Abbey School | High Wycombe | 86 | Boarding | Girls | 84.8 | 84.3 |
| Concord College | Shrewsbury | 158 | Boarding | Co-ed | 84.48 | 81 |
| Queen Ethelburga's College | York | 102 | Boarding | Co-ed | 84.88 | 82.22 |
| Plymouth College | Plymouth | 58 | Boarding | Co-ed | 28.93 | 26.37 |
| The Faculty of Queen Ethelburga's | York | 86 | Boarding | Co-ed | 76.84 | 64.14 |
| Brighton College | Brighton | 205 | Boarding | Co-ed | 75.39 | 82.11 |
| St Swithun's School | Winchester | 63 | Boarding | Girls | 61.2 | 63.91 |
| St Mary's School, Ascot | Ascot | 62 | Boarding | Girls | 75.26 | 69.57 |
| Wellington College | Crowthorne | 246 | Boarding | Co-ed | 69.5 (AL & IB) | 67 (AL & IB) |
| D'Overbroeck's College | Oxford | 117 | Boarding | Co-ed | 61.59 | 55 |
| Ruthin School | Ruthin | 67 | Boarding | Co-ed | 72.98 | 70.42 |
| City of London Freemen's School | Ashtead | 120 | Boarding | Co-ed | 63.55 | 62.6 |
| Headington School | Oxford | 111 | Boarding | Girls | 61.67 | 54.08 |
| Queen Margaret's School (York) | York | 60 | Boarding | Girls | 40.63 | 47.06 |
| St Mary's School | Calne | 50 | Boarding | Girls | 70 | 57 |
| Caterham School | Caterham | 151 | Boarding | Co-ed | 65 | 57.12 |
| Badminton School | Bristol | 42 | Boarding | Girls | 62.11 | 54.35 |
| St Catherine's, Bramley | Guildford | 87 | Boarding | Girls | 64.66 | 65.48 |
| Oundle School | Peterborough | 197 | Boarding | Co-ed | 51.94 | 57.96 |
| Marlborough College | Marlborough | 180 | Boarding | Co-ed | | 53.86 |
| Hurtwood House | Dorking | 162 | Boarding | Co-ed | 58.4 | 57.78 |
| Dulwich College | Dulwich | 230 | Boarding | Boys | 62.26 | 61.51 |
| Benenden School | Cranbrook | 84 | Boarding | Girls | 59.8 | 62 |
| Royal Russell School | Croydon | 79 | Boarding | Co-ed | 28.69 | 36.29 |
| Warwick School | Warwick | 149 | Boarding | Boys | 56.12 | 53.5 |
| Rugby School | Rugby | 172 | Boarding | Co-ed | 50.9 | 60.9 |
| Epsom College | Epsom | 167 | Boarding | Co-ed | 51.88 | 56.24 |
| Bromsgrove School | Bromsgrove | 210 | Boarding | Co-ed | 60 | 56 |
| Canford School | Wimborne | 130 | Boarding | Co-ed | 46.65 | 50.68 |
| Bishop's Stortford College | Bishop's Stortford | 130 | Boarding | Co-ed | 58.73 | 51.7 |
| Loughborough Grammar School | Loughborough | 126 | Boarding | Boys | 57 | 47 |
| The Royal School, Haslemere | Haslemere | 20 | Boarding | Co-ed | 42.25* | 50.68 |
| The King's School, Canterbury | Canterbury | 189 | Boarding | Co-ed | 61 (AL&Pre-U) | 57.4 (AL&Pre-U) |
| Kingswood School | Bath | 109 | Boarding | Co-ed | 47.97 | 52.92 |
| Chigwell School | Chigwell | 82 | Boarding | Co-ed | 50.5 | 46.74 |
| Queenswood School | Hatfield | 58 | Boarding | Girls | 49.43 | 37.82 |
| Uppingham School | Uppingham | 171 | Boarding | Co-ed | 45.36 | 51.62 |
| Woldingham School | Caterham | 81 | Boarding | Girls | 46.44 | 59.62 |
| The Royal High School Bath GDST | Bath | 47 | Boarding | Girls | 49.59 | 46.62 |
| St Peter's School | York | 120 | Boarding | Co-ed | 44.19 | 55.05 |
| Sherborne School for Girls | Sherborne | 91 | Boarding | Girls | 45 | 36 |
| The Mount School (York) | York | 33 | Boarding | Girls | 46.15 | 37 |
| Haberdashers' Monmouth School for Girls | Monmouth | 72 | Boarding | Girls | 54.13 | 46.26 |
| Merchiston Castle School | Edinburgh | 59 | Boarding | Boys | 47 | 49.72 |
| Dauntsey's School | Devizes | 133 | Boarding | Co-ed | 49.6 | 48.3 |
| Christ's Hospital | Horsham | 138 | Boarding | Co-ed | 48 | 53 |
| Ryde School | Ryde | 30 | Boarding | Co-ed | 33.53 | 32.63 |
| Bedford School | Bedford | 87 | Boarding | Boys | 52.99 | 36.7 |
| Christ College | Brecon | 53 | Boarding | Co-ed | 43.64 | 45.68 |
| Clifton College | Bristol | 164 | Boarding | Co-ed | 47.58 | 45 |
| Burgess Hill Girls | Burgess Hill | 41 | Boarding | Girls | 41.96 | 54.62 |
| The Leys School | Cambridge | 90 | Boarding | Co-ed | 55.7 | 42.09 |
| Bootham School | York | 95 | Boarding | Co-ed | 40.89 | 42.06 |
| Wells Cathedral School | Wells | 104 | Boarding | Co-ed | 47.68 | 40 |
| Kent College | Canterbury | 57 | Boarding | Co-ed | 44.49 | 29.45 |
| St Michael's School | Llanelli | 47 | Boarding | Co-ed | 57.25 | 60.9 |
| Bellerbys College Brighton | Brighton | 116 | Boarding | Co-ed | 54.23 | 30.75 |
| Roedean School | Brighton | 77 | Boarding | Girls | 52.75 | 54.96 |
| Haileybury | Hertford | 105 | Boarding | Co-ed | 40.8 | 36.76 |
| New Hall School | Chelmsford | 105 | Boarding | Co-ed | 43.24 | 33.63 |
| Oakham School | Oakham | 144 | Boarding | Co-ed | 40.55 | 32.75 |
| Brentwood School | Brentwood | 114 | Boarding | Co-ed | 44.44 | 39.8 |
| Sedbergh School | Sedbergh | 100 | Boarding | Co-ed | 31.11 | 29.64 |
| St Mary's School, Shaftesbury | Shaftesbury | 34 | Boarding | Girls | 40.95 | |
| St Mary's School, Cambridge | Cambridge | 40 | Boarding | Girls | 45.16 | 45.8 |
| Bellerbys College Cambridge | Cambridge | 44 | Boarding | Co-ed | 58.04 | 54.17 |
| Ampleforth College | York | 109 | Boarding | Co-ed | 37.53 | 41.48 |
| Moreton Hall | Shropshire | 63 | Boarding | Girls | 53.01 | 51.03 |
| The Godolphin School | Salisbury | 43 | Boarding | Girls | 44.51 | 51.18 |
| Gresham's School | Holt | 85 | Boarding | Co-ed | 35.57 | 29 |
| Reed's School | Cobham | 132 | Boarding | Boys | 38.42 | 41 |
| West Buckland School | Barnstaple | 50 | Boarding | Co-ed | 40.59 | 45.86 |
| Mill Hill School | Mill Hill | 137 | Boarding | Co-ed | 42.03 | 39.6 |
| Welbeck - The Defence Sixth Form College | Loughborough | 148 | Boarding | Co-ed | 38.82 | 35.92 |
| St Francis' College | Hertfordshire | 32 | Boarding | Girls | 47.78 | 36.73 |
| Lord Wandsworth College | Hook | 83 | Boarding | Co-ed | 32.76 | 41.1 |
| Kent College Pembury | Kent | 53 | Boarding | Girls | 32.13 | 42 |
| Harrogate Ladies' College | Harrogate | 43 | Boarding | Girls | 34.22 | 35 |
| Truro High School for Girls | Truro | 21 | Boarding | Girls | 42 | 59.09 |
| St Margaret's School | Bushey | 28 | Boarding | Girls | 47.06 | 26.74 |
| Tring Park School for the Performing Arts | Tring | 52 | Boarding | Co-ed | 30.28 | 23.97 |
| Stamford School | Stamford | 107 | Boarding | boys | 30.33 | A*-B 62.1% |
| Westminster School | Westminster | 189 | Boarding | Co-ed | 86.1 (AL & Pre-U) | 82.17 |
| Lime House School | Carlisle | 13 | Boarding | Co-ed | 60* | 23.08 |
| Talbot Heath School | Bournemouth | 29 | Boarding | Girls | 44.1 | 48.9 |
| Ipswich School | Ipswich | 112 | Boarding | Co-ed | 42.64 | 44.76 |
| Mayfield School | Mayfield | 55 | Boarding | Girls | 60.74 | 58.6 |
| Ardingly College | Haywards Heath | 77 | Boarding | Co-ed | 43.84 | 46 |
| Truro School | Truro | 101 | Boarding | Co-ed | 40.72 | 36.28 |
| Roedean Moira House | Eastbourne | 18 | Boarding | Girls | Pass 100% | 28 |
| Saint Felix School | Southwold | 30 | Boarding | Co-ed | 30.77 | 24.44 |
| Kimbolton School | Huntingdon | 91 | Boarding | Co-ed | 57.14 | 50.36 |
| CATS College Cambridge | Cambridge | 47 | Boarding | Co-ed | | |
| Victoria College | Belfast | 103 | Boarding | Girls | 38 | |
| Monmouth School | Monmouth | 80 | Boarding | Boys | 54.62 | 43.46 |
| Queen's College | Taunton | 83 | Boarding | Co-ed | 33.69 | 30.71 |
| Trent College | Nottingham | 102 | Boarding | Co-ed | 44 | 33.88 |
| Bede's Senior School | Hailsham | 149 | Boarding | Co-ed | 44.47 | 37.3 |
| St. George's School, Ascot | Ascot | 33 | Boarding | Girls | 41.35 | 32.04 |
| The Purcell School | Watford | 40 | Boarding | Co-ed | 28.23 | 31.34 |
| Tudor Hall School | Banbury | 42 | Boarding | Girls | 43.75 | 44 |
| St Edmund's College | Ware | 68 | Boarding | Co-ed | 30.86 | 35.48 |
| Bradfield College | Bradfield | 164 | Boarding | Co-ed | 24.62 | 41 (AL&IB) |
| Wellington School | Wellington | 88 | Boarding | Co-ed | 32.3 | 36.42 |
| Stonyhurst College | Clitheroe | 69 | Boarding | Co-ed | 35.39 | 36.36 |
| Ratcliffe College | Leicester | 71 | Boarding | Co-ed | 49.04 | 40 |
| Sidcot School | Winscombe | 61 | Boarding | Co-ed | Pass 99% | 39.7 |
| The Oratory School | Reading | 45 | Boarding | Boys | 29.55 | 38.46 |
| St Edmund's School, Canterbury | Canterbury | 73 | Boarding | co-ed | 21 | 24.42 |
| Pocklington School | York | 81 | Boarding | Co-ed | 36.36 | 38.65 |
| Loretto School | Musselburgh | 86 | Boarding | Co-ed | 37.02 | 36.3 |
| Leighton Park School | Reading | 56 | Boarding | co-ed | 37.71 | 32.57 |
| Stamford High School | Stamford | 96 | Boarding | Girls | 32.24 | A*-B 62.1% |
| Bryanston School | Blandford | 139 | Boarding | Co-ed | | |
| Felsted School | Dunmow | 83 | Boarding | Co-ed | 34 | 29.96 |
| Rendcomb College | Cirencester | 25 | Boarding | Co-ed | 41.25 | |
| Durham School | Durham | 74 | Boarding | Co-ed | 35.94 | 34.04 |
| Woodhouse Grove School | Apperley Bridge | 88 | Boarding | Co-ed | 27.91 | 26.32 |
| Lincoln Minster School | Lincoln | 32 | Boarding | Co-ed | 27.17 | 22.45 |
| Ashville College | Harrogate | 75 | Boarding | Co-ed | 47.77 | 33.78 |
| The Royal School Dungannon | Dungannon | 77 | Boarding | Co-ed | 43.46 | |
| Scarborough College | Scarborough | 33 | Boarding | Co-ed | | |
| Glenalmond College | Perth | 76 | Boarding | Co-ed | 39.52 | 37.07 |
| Kirkham Grammar School | Preston | 90 | Boarding | Co-ed | 19.03 | 25 |
| Worksop College | Worksop | 78 | Boarding | Co-ed | | |
| Warminster School | Warminster | 59 | Boarding | Co-ed | | 21.48 |
| Battle Abbey School | Battle | 40 | Boarding | Co-ed | 34.31 | 40.19 |
| Culford School | Bury St Edmunds | 63 | Boarding | Co-ed | 28.32 | 22.16 |
| Rye St Antony School | Oxford | 17 | Boarding | Girls | 32.97 | 17.02 |
| Langley School | Norwich | 83 | Boarding | Co-ed | 32 | 30 |
| Lansdowne College | London | 86 | Boarding | Co-ed | 25.74 | |
| More House School | Farnham | 34 | Boarding | Boys | 15.56 | 14.71 |
| Pangbourne College | Reading | 69 | Boarding | Co-ed | 27 | A*-B 54% |
| Clayesmore School | Blandford | 72 | Boarding | Co-ed | | |
| Ackworth School | Pontefract | 42 | Boarding | Co-ed | 24 | 30.88 |
| King's School | Bruton | 45 | Boarding | Co-ed | 34.3 | 27 |
| Oswestry School | Oswestry | 43 | Boarding | Co-ed | 22.52 | A*-B 45% |
| Sibford School | Banbury | 33 | Boarding | Co-ed | A*-B 51.5% | 30 |
| Wrekin College | Telford | 52 | Boarding | Co-ed | | |
| St John's College | Southsea | 36 | Boarding | Co-ed | 12.93 | 22.52 |
| LVS Ascot (Licensed Victuallers' School) | Ascot | 82 | Boarding | Co-ed | A*-C 72.2% | A*-B 39.4% |
| Hampshire Collegiate School | Romsey | 27 | Boarding | Co-ed | | |
| The Hammond School | Chester | 20 | Boarding | Co-ed | | 5.88 |
| Abingdon School | Abingdon | 171 | Boarding | Boys | 63 | 63.4 (AL & Pre-U) |
| Bournemouth Collegiate School | Bournemouth | 50 | Boarding | Co-ed | 30 | 20 |
| Campbell College | Belfast | 104 | Boarding | Co-ed | 22 | |
| Adcote School for Girls | Shropshire | 32 | Boarding | Girls | 35.58 | |
| Cambridge Centre for Sixth Form Studies (CCSS) | Cambridge | 74 | Boarding | Co-ed | | |
| Bedstone College | Shropshire | 22 | Boarding | Co-ed | 18.03 | 19.7 |
| Kingham Hill School | Oxfordshire | 32 | Boarding | Co-ed | 44.66 | 36.17 |
| Abbots Bromley School | Staffordshire | 30 | Boarding | Co-ed | | |
| Bosworth Independent College | Northampton | 58 | Boarding | Co-ed | 43.3 | 42.55 |
| The Royal Masonic School for Girls | Hertfordshire | 80 | Boarding | Girls | 49 | 48 |
| Westonbirt School | Gloucestershire | 30 | Boarding | Girls | 29 | 31 |
| The King's School Ely | Ely | 77 | Boarding | Co-ed | 36 | 46.73 |
| Tettenhall College | Wolverhampton | 29 | Boarding | Co-ed | 32.88 | 26.37 |
| Sutton Valence School | Kent | 87 | Boarding | Co-ed | 27 | A*-C 84% |
| Stowe School | Buckingham | 100 | Boarding | Co-ed | 35.9 | 33 |
| Prior’s Field School | Surrey | 40 | Boarding | Girls | | |
| Rishworth School | West Yorkshire | NA | Boarding | Co-ed | 24 | A*-B 40% |
| Mount Kelly School | Devon | 45 | Boarding | Co-ed | 35 | 37 |
| Leweston School | Sherborne | 35 | Boarding | Girls | 44.14 | 41.6 |
| Taunton School | Taunton | 72 | Boarding | Co-ed | 45 | 46 |
| Fulneck School | West Yorkshire | | Boarding | Co-ed | | |
| Tonbridge School | Kent | 150 | Boarding | Boys | 67.6 | 65 |
| Brooke House College | Leicestershire | 15 | Boarding | Co-ed | 27 | A*-B 52 |
| Cheltenham Ladies' College | Cheltenham | 124 | Boarding | Girls | 59 | 65.2 |
| Rydal Penrhos School | Conwy | 30 | Boarding | Co-ed | 34.34 | A*-B 63.7% |
| Bethany School | Cranbrook | 44 | Boarding | Co-ed | 25.77 | 20 |
| Dover College | Kent | 45 | Boarding | Co-ed | 33 | A*-C 61% |
| Giggleswick School | North Yorkshire | NA | Boarding | Co-ed | Pass 100% | 36 |
| Ashford School | Ashford | 80 | Boarding | Co-ed | 47.77 | 52.19 |
| Rossall School | Lancashire | 40 | Boarding | Co-ed | 17 | 18 |
| Blundell's School | Devon | 87 | Boarding | Co-ed | 42 | 46 |
| Shrewsbury School | Shrewsbury | 110 | Boarding | Co-ed | 47.78 | 56 |
| Gosfield School | Halstead | 17 | Boarding | Co-ed | | |
| St. George's School for Girls | Edinburgh | 12 | Boarding | Girls | 33.33 | 61.54 |
| Harrow School | middlesex | 150 | Boarding | Boys | | |
| St Paul's School | London | 150 | Boarding | Boys | 85.1 | |
| Downe House | Berkshire | 60 | Boarding | Girls | 65 | 60 |
| Buckswood School | Hastings | 47 | Boarding | Co-ed | | 27.27 |
| The Royal Hospital School | Suffolk | 100 | Boarding | Co-ed | | |
| The Park School | Somerset | 10 | Boarding | co-ed | | |
| Padworth College | Reading | 23 | Boarding | co-ed | A*-B 52% | A*-B 49% |
| Sherfield School | Hook | 13 | Boarding | co-ed | A*-B 51% | |
| Westbourne School | Vale of Glamorgan | 12 | Boarding | co-ed | | |
| Bruton School for Girls | Bruton | 22 | Boarding | Girls | 51.43 | |
| Ockbrook School | Derby | 21 | Boarding | co-ed | 29 | 23 |
| Farringtons School | Chislehurst | 39 | Boarding | co-ed | 20 | 27.18 |
| Bath Academy | Bath | 36 | Boarding | co-ed | 40 | 25.29 |
| Shebbear College | Devon | 19 | Boarding | co-ed | 27.45 | 35.59 |
| Farlington School | Sussex | 21 | Boarding | Girls | 20.93 | 42.42 |
|