| Ampleforth College | YORK Yorkshire, YO62 4ER | Map | Website |
| Ashville Harrogate | HARROGATE Yorkshire, HG2 9JP | Map | Website |
| Aysgarth School | BEDALE Yorkshire, DL8 1TF | Map | Website |
| Barnard Castle School | BARNARD CASTLE Co. Durham, DL12 8UN | Map | Website |
| Birkdale School | SHEFFIELD Yorkshire, S10 3DH | Map | Website |
| Bootham School | YORK Yorkshire, YO30 7BU | Map | Website |
| Bow, Durham School | DURHAM Co. Durham, DH1 3LS | Map | Website |
| Bradford Grammar Junior School | BRADFORD Yorkshire, BD9 4JP | Map | Website |
| Bradford Grammar School | BRADFORD Yorkshire, BD9 4JP | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Bronte House School | BRADFORD Yorkshire, BD10 0PQ | Map | Website |
| Calday Grange Grammar School | WIRRAL Cheshire, CH48 8GG | Map | Website |
| Caldicott Preparatory School | FARNHAM ROYAL Buckinghamshire, SL2 3SL | Map | Website |
| Churcher's College | PETERSFIELD Hampshire, GU31 4AS | Map | Website |
| Cundall Manor School | YORK Yorkshire, YO61 2RW | Map | Website |
| Dame Allan's Schools | NEWCASTLE-UPON-TYNE Northumberland, NE4 9YJ | Map | Website |
| Denstone College | UTTOXETER Staffordshire, ST14 5HN | Map | Website |
| Dulwich College | LONDON Surrey, SE21 7LD | Map | Website |
| Durham School | DURHAM Co. Durham, DH1 4SZ | Map | Website |
| Eggar's School | ALTON Hampshire, GU34 4EQ | Map | Website |
| Egglescliffe School | STOCKTON-ON-TEES Co. Durham, TS16 0LA | Map | Website |
| Eltham College | LONDON Kent, SE9 4QF | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Fettes College | EDINBURGH Midlothian, EH4 1QX | Map | Website |
| Foremarke Hall Repton Preparatory School | MILTON Derbyshire, DE65 6EJ | Map | Website |
| Framlingham College | WOODBRIDGE Suffolk, IP13 9EY | Map | Website |
| Fulford School | YORK Yorkshire, YO10 4FY | Map | Website |
| Fyling Hall | NR WHITBY Yorkshire, YO22 4QD | Map | Website |
| Gateways School | LEEDS Yorkshire, LS17 9LE | Map | Website |
| Giggleswick School | SETTLE Yorkshire, BD24 0DE | Map | Website |
| Hall Cross Academy | DONCASTER Yorkshire, DN1 2HY | Map | Website |
| Harrogate Grammar School | HARROGATE Yorkshire, HG2 0DZ | Map | Website |
| Harrogate Ladies' College and Highfield Prep | HARROGATE Yorkshire, HG1 2QG | Map | Website |
| Hill House School | DONCASTER Yorkshire, DN9 3GG | Map | Website |
| Hull Collegiate School | ANLABY Yorkshire, HU10 7EH | Map | Website |
| Huntington School | HUNTINGTON Yorkshire, YO32 9WT | Map | Website |
| Hymers College | HULL Yorkshire, HU3 1LW | Map | Website |
| John Fisher School | PURLEY Surrey, CR8 3YP | Map | Website |
| Kirkham Grammar School | KIRKHAM Lancashire, PR4 2BH | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Millfield Preparatory School | GLASTONBURY Somerset, BA6 8LD | Map | Website |
| Millfield School | STREET Somerset, BA16 0YD | Map | Website |
| Mount St Mary's College | SHEFFIELD Derbyshire, S21 3YL | Map | Website |
| Newcastle High School for Girls | NEWCASTLE-UPON-TYNE Tyne and Wear, NE2 3BA | Map | Website |
| Newcastle School for Boys | NEWCASTLE-UPON-TYNE Tyne and Wear, NE3 1NH | Map | Website |
| Oakham School | OAKHAM Leicestershire, LE15 6DT | Map | Website |
| Pocklington School | YORK Yorkshire, YO42 2NJ | Map | Website |
| Prince Henry's Grammar School | LEEDS Yorkshire, LS21 2BB | Map | Website |
| Queen Elizabeth Grammar School (QEGS), Wakefield | WAKEFIELD Yorkshire, WF1 3QX | Map | Website |
| Queen Margaret's School | YORK Yorkshire, YO19 6EU | Map | Website |
| Queen Mary's School | THIRSK Yorkshire, YO7 3BZ | Map | Website |
| Radley College | ABINGDON Oxfordshire, OX14 2HR | Map | Website |
| Red House School | STOCKTON-ON-TEES, CLEVELAND Co. Durham, TS20 1DX | Map | Website |
| Repton Primary School | Derby Derbyshire, DE65 6GN | tbc | tbc |
| Repton School | DERBY Derbyshire, DE65 6FH | Map | Website |
| RGS, Newcastle | NEWCASTLE-UPON-TYNE Northumberland, NE2 4DX | Map | Website |
| RGS, Newcastle (Junior) | NEWCASTLE UPON TYNE Tyne and Wear, NE2 4RX | Map | Website |
| Ripon Grammar School | RIPON Yorkshire, HG4 2DG | Map | Website |
| Ryedale School | HELMSLEY Yorkshire, YO62 7SL | Map | Website |
| Sale Grammar School | SALE Cheshire, M33 3NH | Map | Website |
| Scarborough College | SCARBOROUGH Yorkshire, YO11 3BA | Map | Website |
| Sedbergh School | SEDBERGH Cumbria, LA10 5HG | Map | Website |
| SEEVIC College | BENFLEET Essex, SS7 1TW | Map | Website |
| Silcoates School | WAKEFIELD Yorkshire, WF2 0PD | Map | Website |
| Spratton Hall School | NORTHAMPTON Northamptonshire, NN6 8HP | Map | Website |
| St Aidan's CofE High School | HARROGATE Yorkshire, HG2 8JR | Map | Website |
| St Olave's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| Stonyhurst College | CLITHEROE Lancashire, BB7 9PZ | Map | Website |
| Tanglin Trust School (TTS) | Singapore, 139299 | Map | Website |
| Terrington Hall School | TERRINGTON Yorkshire, YO60 6PR | Map | Website |
| The Grammar School at Leeds | LEEDS Yorkshire, LS17 9NA | Map | Website |
| The King's School, Macclesfield | MACCLESFIELD Cheshire, SK10 1DA | Map | Website |
| The Manchester Grammar School | MANCHESTER Lancashire, M13 0XT | Map | Website |
| The Minster School | YORK Yorkshire, YO1 7JA | Map | Website |
| The Mount School | YORK Yorkshire, YO24 4DD | Map | Website |
| The Queen's School, Chester | CHESTER Cheshire, CH1 2NN | Map | Website |
| The Read School | SELBY Yorkshire, YO8 8NL | Map | Website |
| Trent College | NOTTINGHAM Nottinghamshire, NG10 4AD | Map | Website |
| Wakefield Girls' High School | WAKEFIELD Yorkshire, WF1 2QS | Map | Website |
| Warwick School | WARWICK Warwickshire, CV34 6PP | Map | Website |
| Woodhouse Grove School | BRADFORD Yorkshire, BD10 0NR | Map | Website |
| Woodlands School | BASILDON Essex, SS16 5BA | Map | Website |
| Worksop College | WORKSOP Nottinghamshire, S80 3AP | Map | Website |
| Yarm School | STOCKTON-ON-TEES Co. Durham, TS15 9EJ | Map | Website |
