| Albyn School | ABERDEEN Aberdeenshire, AB15 4PB | Map | Website |
| Ardvreck School | CRIEFF Perthshire, PH7 4EX | Map | Website |
| Aysgarth School | BEDALE Yorkshire, DL8 1TF | Map | Website |
| Balerno High School | BALERNO Scotland, EH14 7AQ | Map | Website |
| Belhaven Hill School | DUNBAR East Lothian, EH42 1NN | Map | Website |
| Bilton Grange | RUGBY Warwickshire, CV22 6QU | Map | Website |
| Boroughmuir High School | EDINBURGH Midlothian, EH10 4LR | Map | Website |
| Bromsgrove School | BROMSGROVE Worcestershire, B61 7DU | Map | Website |
| Broughton High School | EDINBURGH Midlothian, EH4 1EG | Map | Website |
| Campbell College | BELFAST Co. Antrim, BT4 2ND | Map | Website |
| Cargilfield School | EDINBURGH Midlothian, EH4 6HU | Map | Website |
| Casterton College | STAMFORD Rutland, PE9 4AT | Map | Website |
| Cheltenham College Preparatory School | CHELTENHAM Gloucestershire, GL53 7AB | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| Clifton College | BRISTOL Avon, BS8 3JH | Map | Website |
| Clifton Hall School | EDINBURGH Midlothian, EH28 8LQ | Map | Website |
| Craigclowan School | PERTH Perthshire, PH2 8PS | Map | Website |
| Craigmount High School | EDINBURGH Midlothian, EH12 8NH | Map | Website |
| Dollar Academy | DOLLAR Scotland, FK14 7DU | Map | Website |
| Dumfries Academy | DUMFRIES Dumfriesshire, DG1 1DD | Map | Website |
| Dunbar Grammar School | DUNBAR East Lothian, EH42 1NJ | Map | Website |
| Durham Cathedral Schools Foundation | DURHAM Co. Durham, DH1 4SZ | Map | Website |
| Edinburgh Academy Junior School | EDINBURGH Midlothian, EH3 5PL | Map | Website |
| ESMS Erskine Stewart's Melville Schools | EDINBURGH Midlothian, EH4 3EZ | Map | Website |
| Farleigh School | ANDOVER Hampshire, SP11 7PW | Map | Website |
| Felsted Preparatory School | NR DUNMOW Essex, CM6 3JL | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Firrhill High School | EDINBURGH Midlothian, EH14 1DP | Map | Website |
| George Heriot's School | EDINBURGH Midlothian, EH3 9EQ | Map | Website |
| George Watson's College | EDINBURGH Midlothian, EH10 5EG | Map | Website |
| Glenalmond College | PERTH Perthshire, PH1 3RY | Map | Website |
| Gordonstoun School | ELGIN Moray, IV30 5QZ | Map | Website |
| Haberdashers' Monmouth Schools | MONMOUTH Monmouthshire, NP25 5XT | Map | Website |
| High School of Dundee | DUNDEE Scotland, DD1 1HU | Map | Website |
| Hoe Bridge School | WOKING Surrey, GU22 8JE | Map | Website |
| Holyrood Secondary School | GLASGOW Lanarkshire, G42 8AU | Map | Website |
| Hutchesons' Grammar School | GLASGOW Lanarkshire, G41 4NW | Map | Website |
| Jordanhill School | GLASGOW Lanarkshire, G13 1SP | Map | Website |
| Kilgraston School | BRIDGE OF EARN Perthshire, PH2 9BQ | Map | Website |
| King's Hall | TAUNTON Somerset, TA2 8AA | Map | Website |
| Loretto Junior School | MUSSELBURGH Midlothian, EH21 6JA | Map | Website |
| Loretto School | MUSSELBURGH Midlothian, EH21 7RE | Map | Website |
| Marylebone Cricket Club (MCC) | LONDON Greater London, NW8 8QN | Map | Website |
| Merchiston Castle School | EDINBURGH Midlothian, EH13 0PU | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Monkton Combe School | BATH Avon, BA2 7HG | Map | Website |
| Moreton Hall | OSWESTRY Shropshire, SY11 3EW | Map | Website |
| Mowden Hall School | STOCKSFIELD Northumberland, NE43 7TP | Map | Website |
| North Berwick High School | NORTH BERWICK East Lothian, EH39 4QS | Map | Website |
| Peebles High School | PEEBLES Selkirkshire, EH45 9HB | Map | Website |
| Repton School, Dubai | DUBAI UAE, | Map | Website |
| RGS, Newcastle | NEWCASTLE-UPON-TYNE Northumberland, NE2 4DX | Map | Website |
| Robert Gordon's College | ABERDEEN Aberdeenshire, AB10 1FE | Map | Website |
| Royal Belfast Academical Institution (RBAI) | BELFAST Co. Antrim, BT1 6DL | Map | Website |
| Rugby School | RUGBY Warwickshire, CV22 5EH | Map | Website |
| Sedbergh Prep School | KIRKBY LONSDALE Cumbria, LA6 2SG | Map | Website |
| St Aloysius' College | GLASGOW Lanarkshire, G3 6RJ | Map | Website |
| St Faith's School | CAMBRIDGE Cambridgeshire, CB2 8AG | Map | Website |
| St George's School, Edinburgh | EDINBURGH Scotland, EH12 6BG | Map | Website |
| St Hugh's School | WOODHALL SPA Lincolnshire, LN10 6TQ | Map | Website |
| St Kevin's College, Australia | TOORAK Australia, VIC 3142 | tbc | Website |
| St Leonards School | ST ANDREWS Fife, KY16 9QJ | Map | Website |
| St Mary's School, Melrose | MELROSE Scotland, TD6 9LN | Map | Website |
| St Olave's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| St Peter's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| Stonyhurst | CLITHEROE Lancashire, BB7 9PZ | Map | Website |
| Strathallan School | PERTH Perthshire, PH2 9EG | Map | Website |
| The Compass School | HADDINGTON East Lothian, EH41 3RD | Map | Website |
| The Edinburgh Academy | EDINBURGH Midlothian, EH3 5BL | Map | Website |
| The Glasgow Academy | GLASGOW Scotland, G12 8HE | Map | Website |
| The Grange School, Santiago | SANTIAGO Chile, | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| The Royal High School, Edinburgh | EDINBURGH Midlothian, EH4 6JP | Map | Website |
| Trinity Academy, Edinburgh | EDINBURGH Midlothian, EH6 4RT | Map | Website |
| Uppingham School | UPPINGHAM Leicestershire, LE15 9QE | Map | Website |
| Westonbirt School | TETBURY Gloucestershire, GL8 8QG | Map | Website |
| Winchester House School | BRACKLEY Northamptonshire, NN13 7AZ | Map | Website |
| Yarm School | STOCKTON-ON-TEES Co. Durham, TS15 9EJ | Map | Website |
