| 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 |
| Beath High School | COWDENBEATH Fife, KY4 9BH | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Belhaven Hill School | DUNBAR East Lothian, EH42 1NN | Map | Website |
| Bell Baxter High School | CUPAR Fife, KY15 4HY | 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 |
| Campbell College Junior School | BELFAST Co. Antrim, BT4 2ND | Map | Website |
| Cargilfield School | EDINBURGH Midlothian, EH4 6HU | Map | Website |
| Casterton College | STAMFORD Rutland, PE9 4AT | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| Clifton Hall School | EDINBURGH Midlothian, EH28 8LQ | Map | Website |
| Compass Centre | Southampton Hampshire, SO16 6AH | tbc | tbc |
| Craigclowan School | PERTH Perthshire, PH2 8PS | Map | Website |
| Craigmount High School | EDINBURGH Midlothian, EH12 8NH | Map | Website |
| Cranleigh Preparatory School | CRANLEIGH Surrey, GU6 8QH | Map | Website |
| Cundall Manor School | YORK Yorkshire, YO61 2RW | Map | Website |
| Dean Close Preparatory School | CHELTENHAM Gloucestershire, GL51 6QS | Map | Website |
| Dollar Academy | DOLLAR Scotland, FK14 7DU | Map | Website |
| Dunbar Grammar School | DUNBAR East Lothian, EH42 1NJ | Map | Website |
| Dunfermline High School | DUNFERMLINE Fife, KY11 3BQ | Map | Website |
| Durham School | 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 |
| 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 |
| Gracemount High School | EDINBURGH Scotland, EH16 6TZ | Map | Website |
| High School of Dundee | DUNDEE Scotland, DD1 1HU | Map | Website |
| Hoe Bridge School | WOKING Surrey, GU22 8JE | Map | Website |
| Hutchesons' Grammar School | GLASGOW Lanarkshire, G41 4NW | Map | Website |
| Kilgraston School | BRIDGE OF EARN Perthshire, PH2 9BQ | Map | Website |
| King's College School | CAMBRIDGE Cambridgeshire, CB3 9DN | Map | Website |
| King's Hall | TAUNTON Somerset, TA2 8AA | Map | Website |
| Levenmouth Academy | BUCKHAVEN Fife, KY8 1EA | Map | Website |
| Lomond School | HELENSBURGH Argyll, G84 9JX | Map | Website |
| Longridge Towers School | BERWICK-UPON-TWEED Northumberland, TD15 2XQ | Map | Website |
| Loretto Junior School | MUSSELBURGH Midlothian, EH21 6JA | Map | Website |
| Loretto School | MUSSELBURGH Midlothian, EH21 7RE | Map | Website |
| Marr College | TROON Ayrshire, KA10 7AB | Map | Website |
| Marylebone Cricket Club (MCC) | LONDON Greater London, NW8 8QN | Map | Website |
| Merchiston Castle School | EDINBURGH Midlothian, EH13 0PU | Map | Website |
| Moreton Hall | OSWESTRY Shropshire, SY11 3EW | Map | Website |
| Morrison's Academy | CRIEFF Perthshire, PH7 3AN | Map | Website |
| Mowden Hall School | STOCKSFIELD Northumberland, NE43 7TP | Map | Website |
| Peebles High School | PEEBLES Selkirkshire, EH45 9HB | Map | Website |
| Queen Margaret's School | YORK Yorkshire, YO19 6EU | Map | Website |
| RGS, Newcastle | NEWCASTLE-UPON-TYNE Northumberland, NE2 4DX | Map | Website |
| Robert Gordon's College | ABERDEEN Aberdeenshire, AB10 1FE | Map | Website |
| Sedbergh Prep School | KIRKBY LONSDALE Cumbria, LA6 2SG | Map | Website |
| Sedbergh School | SEDBERGH Cumbria, LA10 5HG | Map | Website |
| Spratton Hall School | NORTHAMPTON Northamptonshire, NN6 8HP | Map | Website |
| St Augustine's High School | EDINBURGH Scotland, EH12 9AD | Map | Website |
| St George's School for Girls | EDINBURGH Scotland, EH12 6BG | Map | Website |
| St Leonards School | ST ANDREWS Fife, KY16 9QJ | Map | Website |
| St Mary's School, Melrose | MELROSE Scotland, TD6 9LN | Map | Website |
| St Ninian's High School | GIFFNOCK Renfrewshire, G46 6UG | Map | Website |
| St Olave's Preparatory School | LONDON Greater London, SE9 3QS | Map | Website |
| St Olave's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| St Peter's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| Stonyhurst St Mary's Hall (SMH) | NR BLACKBURN Lancashire, BB7 9PU | 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 High School of Glasgow | GLASGOW Lanarkshire, G13 1PL | Map | Website |
| The Royal High School, Edinburgh | EDINBURGH Midlothian, EH4 6JP | Map | Website |
| Trinity Academy, Edinburgh | EDINBURGH Midlothian, EH6 4RT | Map | Website |
| Wellingborough School | WELLINGBOROUGH Northamptonshire, NN8 2BX | Map | Website |
| Wellington School, Ayr | AYR Ayrshire, KA7 2XH | Map | Website |
| Yateley Manor School | YATELEY Hampshire, GU46 7UQ | Map | Website |
