| Abingdon School | ABINGDON Oxfordshire, OX14 1DE | Map | Website |
| Badminton Junior School | BRISTOL Avon, BS9 3BA | Map | Website |
| Badminton School | BRISTOL Avon, BS9 3BA | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Beechen Cliff School | BATH Somerset, BA2 4RE | Map | Website |
| Blundell's Prep School | TIVERTON Devon, EX16 4NA | Map | Website |
| Blundell's School | TIVERTON Devon, EX16 4DN | Map | Website |
| Box Hill School | DORKING Surrey, RH5 6EA | Map | Website |
| Bromsgrove School | BROMSGROVE Worcestershire, B61 7DU | Map | Website |
| Campbell College | BELFAST Co. Antrim, BT4 2ND | Map | Website |
| Cathedral School, Llandaff | CARDIFF Glamorgan, CF5 2YH | Map | Website |
| Cheltenham College | CHELTENHAM Gloucestershire, GL53 7LD | Map | Website |
| Cheltenham College Preparatory School | CHELTENHAM Gloucestershire, GL53 7AB | Map | Website |
| Cheltenham Ladies' College | CHELTENHAM Gloucestershire, GL50 3EP | Map | Website |
| Clayesmore Preparatory School | BLANDFORD FORUM Dorset, DT11 8LL | Map | Website |
| Clifton College | BRISTOL Avon, BS8 3JH | Map | Website |
| Clifton College Prep | BRISTOL Avon, BS8 3HE | Map | Website |
| Clifton High School | BRISTOL Avon, BS8 3JD | Map | Website |
| Colston's Lower School | BRISTOL Avon, BS16 1BA | Map | Website |
| Colston's School | BRISTOL Avon, BS16 1BJ | Map | Website |
| Dauntsey's School | DEVIZES Wiltshire, SN10 4HE | Map | Website |
| Dean Close Preparatory School | CHELTENHAM Gloucestershire, GL51 6QS | Map | Website |
| Dean Close School | CHELTENHAM Gloucestershire, GL51 6HE | Map | Website |
| Dromore High School | DROMORE Co. Down, BT25 1ND | Map | Website |
| Epsom College | EPSOM Surrey, KT17 4JQ | Map | Website |
| Exeter School | EXETER Devon, EX2 4NS | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Hazlegrove School | YEOVIL Somerset, BA22 7JA | Map | Website |
| Heywood Preparatory School | CORSHAM Wiltshire, SN13 0AP | Map | Website |
| Howard Of Effingham School | EFFINGHAM Surrey, KT24 5JR | Map | Website |
| King Edward's, Bath | BATH Somerset, BA2 6HU | Map | Website |
| King's College School (KCS), Wimbledon | LONDON Surrey, SW19 4TT | Map | Website |
| King's College, Taunton | TAUNTON Somerset, TA1 3LA | Map | Website |
| King's School Bruton | BRUTON Somerset, BA10 0ED | Map | Website |
| Kingswood Prep School | BATH Avon, BA1 5SJ | Map | Website |
| Kingswood School | BATH Avon, BA1 5RG | Map | Website |
| Leweston School | SHERBORNE Dorset, DT9 6EN | Map | Website |
| Luckwell Primary School | BRISTOL Avon, BS3 3ET | Map | Website |
| Magdalen College School | OXFORD Oxfordshire, OX4 1DZ | Map | Website |
| Malmesbury School | MALMESBURY Wiltshire, SN16 0DF | Map | Website |
| Malvern College | MALVERN Worcestershire, WR14 3DF | Map | Website |
| Marlborough College | MARLBOROUGH Wiltshire, SN8 1PA | Map | Website |
| Millfield Preparatory School | GLASTONBURY Somerset, BA6 8LD | Map | Website |
| Millfield School | STREET Somerset, BA16 0YD | Map | Website |
| Monkton Combe School | BATH Avon, BA2 7HG | Map | Website |
| Monmouth School for Boys | MONMOUTH Monmouthshire, NP25 3XP | Map | Website |
| Monmouth School for Girls | MONMOUTH Monmouthshire, NP25 5XT | Map | Website |
| Oundle School | PETERBOROUGH Northamptonshire, PE8 4GH | Map | Website |
| Pate's Grammar School | CHELTENHAM Gloucestershire, GL51 0HG | Map | Website |
| Perrott Hill School | CREWKERNE Somerset, TA18 7SL | Map | Website |
| Port Regis School | SHAFTESBURY Dorset, SP7 9QA | Map | Website |
| Portadown College | PORTADOWN Co. Armagh, BT63 5BU | Map | Website |
| Prior Park College | BATH Avon, BA2 5AH | Map | Website |
| Queen Elizabeth's Hospital (QEH) | BRISTOL Avon, BS8 1JX | Map | Website |
| Queen's College, Taunton | TAUNTON Somerset, TA1 4QS | Map | Website |
| Redmaids' High School | BRISTOL Avon, BS9 3AW | Map | Website |
| Rendcomb College | CIRENCESTER Gloucestershire, GL7 7HA | Map | Website |
| RGS The Grange Worcester | WORCESTER Worcestershire, WR3 7RR | Map | Website |
| RGS Worcester | WORCESTER Worcestershire, WR1 1HP | Map | Website |
| Rhymney Comprehensive School | RHYMNEY South Wales, NP22 5XF | Map | Website |
| Royal High School, Bath | BATH Avon, BA1 5SZ | Map | Website |
| Sherborne Preparatory School | SHERBORNE Dorset, DT9 3NY | Map | Website |
| Sherborne School | SHERBORNE Dorset, DT9 3AP | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| Sir Thomas Rich's School | GLOUCESTER Gloucestershire, GL2 0LF | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Bonaventures Catholic Primary School | Bristol Avon, BS7 8HP | tbc | tbc |
| St John's-on-the-Hill Dean Close | CHEPSTOW Monmouthshire, NP16 7LE | Map | Website |
| Taunton Preparatory School | TAUNTON Somerset, TA2 6AE | Map | Website |
| Taunton School | TAUNTON Somerset, TA2 6AD | Map | Website |
| The Downs School | NR BRISTOL Somerset, BS48 1PF | Map | Website |
| The Grange School, Northwich | NORTHWICH Cheshire, CW8 1LU | Map | Website |
| The King's School, Gloucester | GLOUCESTER Gloucestershire, GL1 2BG | Map | Website |
| The King's School, Worcester | WORCESTER Worcestershire, WR1 2LL | Map | Website |
| Warminster School | WARMINSTER Wiltshire, BA12 8PJ | Map | Website |
| Wells Cathedral School | WELLS Somerset, BA5 2ST | Map | Website |
| West Buckland School | BARNSTAPLE Devon, EX32 0SX | Map | Website |
| Westbury-on-Trym CofE Primary School | Bristol Avon, BS9 3HZ | tbc | tbc |
| Winchester College | WINCHESTER Hampshire, SO23 9NA | Map | Website |
| Wycliffe College | STONEHOUSE Gloucestershire, GL10 2JQ | Map | Website |
| Ysgol Penglais | ABERYSTWYTH Wales, SY23 3AW | Map | Website |
