| Ackworth School | PONTEFRACT Yorkshire, WF7 7LT | Map | Website |
| AKS Lytham | Lancashire, FY8 1DT | Map | Website |
| Altrincham Grammar School for Boys | ALTRINCHAM Cheshire, WA14 2RS | Map | Website |
| Ampleforth College | YORK Yorkshire, YO62 4ER | Map | Website |
| Ashville Harrogate | HARROGATE Yorkshire, HG2 9JP | Map | Website |
| Audenshaw School | MANCHESTER Lancashire, M34 5NB | Map | Website |
| Aviron Bayonnais Schools | BAYONNE France, | tbc | Website |
| Barlborough Hall School | CHESTERFIELD Derbyshire, S43 4TJ | Map | Website |
| Barnard Castle School | BARNARD CASTLE Co. Durham, DL12 8UN | Map | Website |
| Birkdale School | SHEFFIELD Yorkshire, S10 3DH | Map | Website |
| Bishop Vesey's Grammar School | SUTTON COLDFIELD West Midlands, B74 2NH | Map | Website |
| Bootham School | YORK Yorkshire, YO30 7BU | Map | Website |
| Bradford Grammar School | BRADFORD Yorkshire, BD9 4JP | Map | Website |
| Brighton College | BRIGHTON Sussex, BN2 0AL | Map | Website |
| Cheadle Hulme School | CHEADLE Cheshire, SK8 6EF | Map | Website |
| Dame Allan's Schools | NEWCASTLE-UPON-TYNE Northumberland, NE4 9YJ | Map | Website |
| Denstone College | UTTOXETER Staffordshire, ST14 5HN | Map | Website |
| Dubai College | DUBAI UAE, | Map | Website |
| Durham Cathedral Schools Foundation | DURHAM Co. Durham, DH1 4SZ | Map | Website |
| Ellesmere College | ELLESMERE Shropshire, SY12 9AB | Map | Website |
| Hall Cross Academy | DONCASTER Yorkshire, DN1 2HY | Map | Website |
| Harrogate Grammar School | HARROGATE Yorkshire, HG2 0DZ | Map | Website |
| Harrow School | HARROW-ON-THE-HILL Middlesex, HA1 3HP | Map | Website |
| Heckmondwike Grammar School | HECKMONDWIKE Yorkshire, WF16 0AH | Map | Website |
| Hill House School | DONCASTER Yorkshire, DN9 3GG | Map | Website |
| Holmfirth High School | HOLMFIRTH Yorkshire, HD9 7SE | Map | Website |
| Huddersfield New College | HUDDERSFIELD Yorkshire, HD3 4GL | Map | Website |
| Hurstpierpoint College | HASSOCKS Sussex, BN6 9JS | Map | Website |
| Hymers College | HULL Yorkshire, HU3 1LW | Map | Website |
| Kettlethorpe High School | WAKEFIELD Yorkshire, WF2 7EL | Map | Website |
| Kingston Grammar School | KINGSTON-UPON-THAMES Surrey, KT2 6PY | Map | Website |
| Kirkham Grammar School | KIRKHAM Lancashire, PR4 2BH | Map | Website |
| Leicester Grammar School Trust | LEICESTER Leicestershire, LE8 9FL | Map | Website |
| Merchiston Castle School | EDINBURGH Midlothian, EH13 0PU | Map | Website |
| Mount Kelly | TAVISTOCK Devon, PL19 0HZ | Map | Website |
| Mount St Mary's College | SHEFFIELD Derbyshire, S21 3YL | Map | Website |
| Northampton School for Boys | NORTHAMPTON Northamptonshire, NN1 5RT | Map | Website |
| Norwich School | NORWICH Norfolk, NR1 4DD | Map | Website |
| Nottingham High School | NOTTINGHAM Nottinghamshire, NG7 4ED | Map | Website |
| Old Trafford Community School | Manchester Lancashire, M15 4FL | tbc | tbc |
| Outwood Grange Academy | WAKEFIELD Yorkshire, WF1 2PF | Map | Website |
| Pocklington School | YORK Yorkshire, YO42 2NJ | Map | Website |
| Prep School Rams | Buckinghamshire, | tbc | Website |
| Prince Henry's Grammar School | LEEDS Yorkshire, LS21 2BB | Map | Website |
| Queen Ethelburga's | YORK Yorkshire, YO26 9SS | Map | Website |
| Ratcliffe College | LEICESTER Leicestershire, LE7 4SG | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| RGS, High Wycombe | HIGH WYCOMBE Buckinghamshire, HP13 6QT | Map | Website |
| RGS, Newcastle | NEWCASTLE-UPON-TYNE Northumberland, NE2 4DX | Map | Website |
| Richmond School | RICHMOND Yorkshire, DL10 7BQ | Map | Website |
| Rodillian Academy | WAKEFIELD Yorkshire, WF3 3PS | Map | Website |
| Rossall School | FLEETWOOD Lancashire, FY7 8JW | Map | Website |
| Roundhay School | LEEDS Yorkshire, LS8 1ND | Map | Website |
| Sandbach School | SANDBACH Cheshire, CW11 3NS | Map | Website |
| Scarborough College | SCARBOROUGH Yorkshire, YO11 3BA | Map | Website |
| Scarisbrick Hall School | ORMSKIRK Lancashire, L40 9RQ | Map | Website |
| Seaford College | PETWORTH Sussex, GU28 0NB | Map | Website |
| Sedbergh School | SEDBERGH Cumbria, LA10 5HG | Map | Website |
| Silcoates School | WAKEFIELD Yorkshire, WF2 0PD | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Peter's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| Stonyhurst | CLITHEROE Lancashire, BB7 9PZ | Map | Website |
| Taunton School | TAUNTON Somerset, TA2 6AD | Map | Website |
| Teesside High School | STOCKTON-ON-TEES Co. Durham, TS16 9AT | Map | Website |
| Terrington Hall School | TERRINGTON Yorkshire, YO60 6PR | Map | Website |
| The Grammar School at Leeds | LEEDS Yorkshire, LS17 9NA | Map | Website |
| The Grange School, Northwich | NORTHWICH Cheshire, CW8 1LU | Map | Website |
| The King's School, Chester | CHESTER Cheshire, CH4 7QL | Map | Website |
| The King's School, Macclesfield | MACCLESFIELD Cheshire, SK10 4SP | Map | Website |
| The Manchester Grammar School | MANCHESTER Lancashire, M13 0XT | Map | Website |
| Trinity School, Croydon | CROYDON Surrey, CR9 7AT | Map | Website |
| Wakefield Girls' High School | WAKEFIELD Yorkshire, WF1 2QS | Map | Website |
| Warwick School | WARWICK Warwickshire, CV34 6PP | Map | Website |
| West Monmouth School | TORFAEN Wales, NP4 5YG | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Wirral Grammar School for Boys | WIRRAL Cheshire, CH63 3AQ | Map | Website |
| Woodhouse Grove School | BRADFORD Yorkshire, BD10 0NR | Map | Website |
| Woodlands School | BASILDON Essex, SS16 5BA | Map | Website |
| Yarm School | STOCKTON-ON-TEES Co. Durham, TS15 9EJ | Map | Website |
| Ysgol Bae Baglan | PORT TALBOT Wales, SA12 7BL | Map | Website |
