| Wycombe Abbey School | High Wycombe | | Boarding | Girls | 97.39 |
| Concord College | Shrewsbury | | Boarding | Co-ed | 81.65 |
| Queen Ethelburga's College | York | | Boarding | Co-ed | 67.86 |
| Plymouth College | Plymouth | | Boarding | Co-ed | 40.75 |
| The Faculty of Queen Ethelburga's | York | | Boarding | Co-ed | |
| Brighton College | Brighton | | Boarding | Co-ed | 91.07 |
| St Swithun's School | Winchester | | Boarding | Girls | 84.97 |
| St Mary's School, Ascot | Ascot | | Boarding | Girls | 87.18 |
| Wellington College | Crowthorne | | Boarding | Co-ed | 85 |
| D'Overbroeck's College | Oxford | | Boarding | Co-ed | 57.26 |
| Ruthin School | Ruthin | | Boarding | Co-ed | 52.19 |
| City of London Freemen's School | Ashtead | | Boarding | Co-ed | 82.43 |
| Headington School | Oxford | | Boarding | Girls | 79.7 |
| Queen Margaret's School (York) | York | | Boarding | Girls | 61.02 |
| St Mary's School | Calne | | Boarding | Girls | 76 |
| Caterham School | Caterham | | Boarding | Co-ed | 78.59 |
| Badminton School | Bristol | | Boarding | Girls | 76.22 |
| St Catherine's, Bramley | Guildford | | Boarding | Girls | 91.6 |
| Oundle School | Peterborough | | Boarding | Co-ed | 89.14 |
| Marlborough College | Marlborough | | Boarding | Co-ed | 75 |
| Hurtwood House | Dorking | | Boarding | Co-ed | |
| Dulwich College | Dulwich | 208 | Boarding | Boys | 85.3 |
| Benenden School | Cranbrook | | Boarding | Girls | 81 |
| Royal Russell School | Croydon | | Boarding | Co-ed | 39.81 |
| Warwick School | Warwick | | Boarding | Boys | 78.67 |
| Rugby School | Rugby | | Boarding | Co-ed | 81.6 |
| Epsom College | Epsom | | Boarding | Co-ed | 70 |
| Bromsgrove School | Bromsgrove | | Boarding | Co-ed | 63.55 |
| Canford School | Wimborne | | Boarding | Co-ed | 68.37 |
| Bishop's Stortford College | Bishop's Stortford | | Boarding | Co-ed | 67.71 |
| Loughborough Grammar School | Loughborough | 138 | Boarding | Boys | 59 |
| The Royal School, Haslemere | Haslemere | | Boarding | Co-ed | 46.5 |
| The King's School, Canterbury | Canterbury | | Boarding | Co-ed | 75.5 |
| Kingswood School | Bath | | Boarding | Co-ed | 64.58 |
| Marymount International School | Kingston upon Thames | | Boarding | Girls | |
| Chigwell School | Chigwell | | Boarding | Co-ed | 68.66 |
| Queenswood School | Hatfield | | Boarding | Girls | 52 |
| Uppingham School | Uppingham | | Boarding | Co-ed | 66.3 |
| Woldingham School | Caterham | | Boarding | Girls | 73.31 |
| The Royal High School Bath GDST | Bath | | Boarding | Girls | 75.59 |
| St Peter's School | York | | Boarding | Co-ed | 76.11 |
| Sherborne School for Girls | Sherborne | | Boarding | Girls | 61 |
| The Mount School (York) | York | | Boarding | Girls | 44.74 |
| Haberdashers' Monmouth School for Girls | Monmouth | | Boarding | Girls | 67.73 |
| Merchiston Castle School | Edinburgh | | Boarding | Boys | 57.25 |
| Dauntsey's School | Devizes | | Boarding | Co-ed | 78.1 |
| Christ's Hospital | Horsham | | Boarding | Co-ed | 64.1 |
| Ryde School | Ryde | | Boarding | Co-ed | 48.68 |
| Bedford School | Bedford | | Boarding | Boys | 56.87 |
| Christ College | Brecon | | Boarding | Co-ed | 44.26 |
| Clifton College | Bristol | | Boarding | Co-ed | 68.72 |
| Burgess Hill Girls | Burgess Hill | | Boarding | Girls | 66.29 |
| The Leys School | Cambridge | | Boarding | Co-ed | 66.92 |
| Bootham School | York | 83 | Boarding | Co-ed | 48.3 |
| ACS Cobham International School | Cobham | | Boarding | Co-ed | |
| Wells Cathedral School | Wells | | Boarding | Co-ed | 64.67 |
| Kent College | Canterbury | | Boarding | Co-ed | 57 |
| St Michael's School | Llanelli | | Boarding | Co-ed | 69.25 |
| Bellerbys College Brighton | Brighton | | Boarding | Co-ed | 18.74 |
| Roedean School | Brighton | | Boarding | Girls | 74.45 |
| Haileybury | Hertford | | Boarding | Co-ed | 65.24 |
| St Leonards | St Andrews | | Boarding | Co-ed | 32.8 |
| New Hall School | Chelmsford | | Boarding | Co-ed | 46.64 |
| Oakham School | Oakham | | Boarding | Co-ed | 62 |
| Brentwood School | Brentwood | | Boarding | Co-ed | 58.25 |
| Sedbergh School | Sedbergh | | Boarding | Co-ed | 41.94 |
| St Mary's School, Shaftesbury | Shaftesbury | 40 | Boarding | Girls | 55.36 |
| St Mary's School, Cambridge | Cambridge | | Boarding | Girls | 67.42 |
| Bellerbys College Cambridge | Cambridge | | Boarding | Co-ed | |
| Ampleforth College | York | | Boarding | Co-ed | 62.6 |
| Moreton Hall | Oswestry | | Boarding | Co-ed | 70.11 |
| The Godolphin School | Salisbury | | Boarding | Girls | 68.09 |
| Gresham's School | Holt | | Boarding | Co-ed | 50.22 |
| Reed's School | Cobham | | Boarding | Boys | 61.49 |
| West Buckland School | Barnstaple | | Boarding | Co-ed | 52.4 |
| Mill Hill School | Mill Hill | | Boarding | Co-ed | 58.87 |
| Welbeck - The Defence Sixth Form College | Loughborough | | Boarding | Co-ed | N/A |
| King William's College | Castletown | | Boarding | Co-ed | 47.14 |
| St Francis' College | Letchworth Garden City | | Boarding | Girls | 60.66 |
| St Columba's College | St Albans | 56 | Boarding | Co-ed | 30.3 |
| Lord Wandsworth College | Hook | | Boarding | Co-ed | 43.44 |
| Bablake School | Coventry | 102 | Boarding | Co-ed | 64 |
| Kent College Pembury | Kent | | Boarding | Girls | 57 |
| Harrogate Ladies' College | Harrogate | | Boarding | Girls | 50.36 |
| Truro High School for Girls | Truro | | Boarding | Girls | 56.48 |
| St Margaret's School | Bushey | | Boarding | Girls | 59.46 |
| Tring Park School for the Performing Arts | Tring | | Boarding | Co-ed | 29.76 |
| Stamford School | Stamford | | Boarding | Co-ed | 51.8 |
| Westminster School | Westminster | | Boarding | Co-ed | 97.86 |
| Lime House School | Carlisle | | Boarding | Co-ed | |
| Talbot Heath School | Bournemouth | 47 | Boarding | Girls | 53.8 |
| Ipswich School | Ipswich | | Boarding | Co-ed | 65.64 |
| Mayfield School | Mayfield | | Boarding | Girls | 67.59 |
| Ardingly College | Haywards Heath | 116 | Boarding | Co-ed | 63 |
| Truro School | Truro | | Boarding | Co-ed | 54.14 |
| Moira House Girls' School | Eastbourne | | Boarding | Girls | 48.97 |
| Bellerbys College Oxford | Oxford | | Boarding | Co-ed | |
| Saint Felix School | Southwold | | Boarding | Co-ed | |
| Kimbolton School | Huntingdon | | Boarding | | 55.72 |
| CATS College Cambridge | Cambridge | | Boarding | Co-ed | |
| Victoria College | Belfast | | Boarding | Girls | 44.87 |
| Monmouth School | Monmouth | | Boarding | Boys | 67.73 |
| Queen's College | Taunton | | Boarding | Co-ed | 47 |
| Trent College | Nottingham | 113 | Boarding | Co-ed | 42.4 |
| Bede's Senior School | Hailsham | | Boarding | | 43.96 |
| St. George's School, Ascot | Ascot | | Boarding | | 50 |
| The Purcell School | Watford | | Boarding | Co-ed | 51.87 |
| Tudor Hall School | Banbury | | Boarding | Girls | 63.2 |
| St Edmund's College | Ware | | Boarding | | 35.61 |
| Bradfield College | Bradfield | | Boarding | | 58.39 |
| Wellington School | Wellington | | Boarding | Co-ed | 53 |
| Stonyhurst College | Clitheroe | | Boarding | | 49 |
| Ratcliffe College | Leicester | | Boarding | Co-ed | 47.87 |
| Elizabeth College | Guernsey | | Boarding | | 51.01 |
| Sidcot School | Winscombe | | Boarding | | |
| The Oratory School | Nr Reading | | Boarding | | 40.48 |
| St Edmund's School, Canterbury | Canterbury | 58 | Boarding | | 28.39 |
| Pocklington School | York | | Boarding | Co-ed | 60.13 |
| St Edward's School | Cheltenham | | Boarding | | 36.55 |
| Loretto School | Musselburgh | | Boarding | | 43.3 |
| Leighton Park School | Reading | | Boarding | | 45.13 |
| Stamford High School | Stamford | | Boarding | | 57.35 |
| Bryanston School | Blandford | | Boarding | Co-ed | 45 |
| Felsted School | Dunmow | | Boarding | Co-ed | 45.28 |
| Rendcomb College | Cirencester | | Boarding | Co-ed | 46.82 |
| King's School | Gloucester | | Boarding | Co-ed | 42.73 |
| Durham School | Durham | | Boarding | Co-ed | 46.49 |
| Woodhouse Grove School | Apperley Bridge | | Boarding | Co-ed | 35.8 |
| Lincoln Minster School | Lincoln | | Boarding | Co-ed | 31.83 |
| Ashville College | Harrogate | | Boarding | Co-ed | 43 |
| The Royal School Dungannon | Dungannon | | Boarding | Co-ed | 48 |
| Scarborough College | Scarborough | | Boarding | Co-ed | 47.05 |
| Glenalmond College | Perth | | Boarding | Co-ed | 48.1 |
| Kirkham Grammar School | Preston | | Boarding | Co-ed | 41.93 |
| Worksop College | Worksop | | Boarding | Co-ed | |
| Warminster School | Warminster | | Boarding | Co-ed | 30 |
| Battle Abbey School | Battle | | Boarding | Co-ed | 29.51 |
| Culford School | Bury St Edmunds | 79 | Boarding | Co-ed | 45 |
| Rye St Antony School | Oxford | | Boarding | Girls | 28.07 |
| Langley School | Norwich | | Boarding | Co-ed | 40.13 |
| Lansdowne College | London | | Boarding | Co-ed | |
| St James Senior Boys' School | Ashford | | Boarding | Co-ed | 43.92 |
| More House School | Farnham | | Boarding | Boys | 24.51 |
| Pangbourne College | Reading | | Boarding | Co-ed | 37.89 |
| Clayesmore School | Blandford | | Boarding | Co-ed | |
| Ackworth School | Pontefract | | Boarding | Co-ed | 47.4 |
| King's School | Bruton | | Boarding | Co-ed | 38.8 |
| Oswestry School | Oswestry | | Boarding | Co-ed | 34.29 |
| Sibford School | Banbury | | Boarding | Co-ed | 15.78 |
| Wrekin College | Telford | | Boarding | Co-ed | |
| St John's College | Southsea | | Boarding | Co-ed | 27.93 |
| LVS Ascot (Licensed Victuallers' School) | Ascot | | Boarding | Co-ed | 26 |
| Hampshire Collegiate School | Romsey | | Boarding | Co-ed | |
| The Hammond School | Chester | | Boarding | Co-ed | |
| Abingdon School | Abingdon | 179 | Boarding | Boys | 87.3 |
| Bournemouth Collegiate School | Bournemouth | | Boarding | Co-ed | 26.23 |
| Campbell College | Belfast | | Boarding | Co-ed | |
| Adcote School for Girls | Shropshire | | Boarding | Girls | |
| Cambridge Centre for Sixth Form Studies (CCSS) | Cambridge | | Boarding | Co-ed | |
| Bedstone College | Shropshire | | Boarding | Co-ed | 21.4 |
| Kingham Hill School | Oxfordshire | | Boarding | Co-ed | 34.17 |
| Abbots Bromley School | Staffordshire | | Boarding | Co-ed | 35 |
| Bosworth Independent College | Northampton | | Boarding | Co-ed | |
| The Royal Masonic School for Girls | Hertfordshire | | Boarding | Girls | |
| Westonbirt School | Gloucestershire | | Boarding | Girls | 44 |
| The King's School Ely | Ely | | Boarding | Co-ed | 52.1 |
| Tettenhall College | Wolverhampton | | Boarding | Co-ed | |
| SUTTON VALENCE SCHOOL | Kent | | Boarding | Co-ed | 32.12 |
| Stowe School | Buckingham | 100 | Boarding | Co-ed | NA |
| Prior’s Field School | Surrey | | Boarding | Girls | 55 |
| Rishworth School | West Yorkshire | NA | Boarding | Co-ed | NA |
| Mount Kelly School | Devon | | Boarding | Co-ed | 30 |
| Worth School | Crawley | | Boarding | Co-ed | 50 |
| Taunton School | Taunton | | Boarding | Co-ed | |
| Fulneck School | West Yorkshire | | Boarding | Co-ed | 34 |
| Ealing Independent College | West London | | Boarding | Co-ed | |
| Tonbridge School | Kent | 143 | Boarding | Boys | 89.5 |
| Brooke House College | Leicestershire | | Boarding | Co-ed | 16 |
| Cheltenham Ladies' College | Cheltenham | 142 | Boarding | Girls | 90.3 |
| Rydal Penrhos School | Conwy | | Boarding | Co-ed | 46.77 |
| Bethany School | Cranbrook | 55 | Boarding | Co-ed | 13.2 |
| Dover College | Kent | | Boarding | Co-ed | |
| Giggleswick School | North Yorkshire | | Boarding | Co-ed | 40 |
| Ashford School | Ashford | 84 | Boarding | Co-ed | 48.4 |
| Rossall School | Lancashire | | Boarding | Co-ed | 37 |
| Blundell's School | Devon | | Boarding | Co-ed | |
| Shrewsbury School | Shrewsbury | 110 | Boarding | Co-ed | 70.8 |
| Gosfield School | Halstead | | Boarding | Co-ed | |
| St. George's School for Girls | Edinburgh | | Boarding | Girls | 40 |
| Harrow School | middlesex | | Boarding | Boys | |
| St Paul's School | London | | Boarding | Boys | |
| Downe House | Berkshire | | Boarding | Girls | 86 |
| Buckswood School | Hastings | 40 | Boarding | Co-ed | NA |
| The Royal Hospital School | Suffolk | 130 | Boarding | Co-ed | 38.1 |
| St Bede's College | Manchester | | Boarding | co-ed | 41.87 |
| Eastbourne College | Eastbourne | | Boarding | co-ed | 59.16 |
| Lancing College | West Sussex | | Boarding | co-ed | 59 |
| Berkhamsted School | Berkhamsted | 180 | Boarding | Boy/Girls | 67.2 |
| Longridge Towers School | Northumberland | | Boarding | Co-ed | 37 |
| Barnard Castle School | Durham | 100 | Boarding | Co-ed | 46 |
| Queen Mary’s School | Thirsk | | Boarding | Girls | |
| Fyling Hall School | Yorkshire | 20 | Boarding | Co-ed | 29 |
| S. Anselm's College | Derbyshire | | Boarding | Co-ed | |
| Denstone College | Staffordshire | 110 | Boarding | Co-ed | 54.8 |
| Repton School | Derbyshire | | Boarding | Co-ed | 59 |
| Lucton School | Herefordshire | | Boarding | Co-ed | 50 |
| Saint Michael's College | Worcestershire | 20 | Boarding | Co-ed | 40 |
| Hethersett Old Hall School | Norfolk | | Boarding | Girls | 22 |
| Framlingham College | Suffolk | | Boarding | Co-ed | |
| St Joseph's College | Suffolk | | Boarding | Co-ed | 22 |
| Aldenham School | Hertfordshire | 86 | Boarding | Co-ed | 37 |
| Appleford School - Dyslexia School | Wiltshire | | Boarding | Co-ed | |
| Ashwicke Hall School | Wiltshire | | Boarding | Co-ed | A*-C 90% |
| Cheltenham College | Gloucestershire | | Boarding | Co-ed | 70 |
| Frensham Heights | Surrey | 80 | Boarding | Co-ed | 42 |
| Frewen College - Dyslexia School | Sussex | | Boarding | Co-ed | |
| Walden School | Saffron Walden | | Boarding | Co-ed | 24 |
| King's College, Taunton | Taunton | 102 | Boarding | Co-ed | 39 |
| King's School, Rochester | Kent | | Boarding | Co-ed | 37 |
| Kingsley School | Warwickshire | | Boarding | Girls | 47 |
| Luckley House School | Berkshire | | Boarding | Co-ed | 28 |
| Millfield School | Somerset | 230 | Boarding | Co-ed | 25.1 |
| Milton Abbey School | Dorset | | Boarding | Co-ed | 10 |
|