| School | HMC Division | Membership | Location | Age Range |
| Putney High School | London (UK) | British Isles | Putney, London, United Kingdom | 4 - 18 |
| Pymble Ladies’ College | International | International | Pymble, Australia | |
| Queen Anne’s School | South Central (UK) | British Isles | Caversham, United Kingdom | 11 - 18 |
| Queen Elizabeth Grammar School | North East (UK) | British Isles | Wakefield, United Kingdom | 7 - 18 |
| Queen Elizabeth’s Hospital | South West (UK) | British Isles | Bristol, United Kingdom | 7 - 18 |
| Queen’s College | South West (UK) | British Isles | Taunton, United Kingdom | 0 - 18 |
| Queenswood School | London (UK) | British Isles | Hatfield, United Kingdom | 11 - 18 |
| Radley College | South Central (UK) | British Isles | Oxon, United Kingdom | 13 - 18 |
| Ratcliffe College | East (UK) | British Isles | Leicester, United Kingdom | 3 - 18 |
| Reading Blue Coat School | South Central (UK) | British Isles | Reading, United Kingdom | 11 - 18 |
| Redmaids’ High School | South West (UK) | British Isles | Bristol, United Kingdom | 7 - 18 |
| Reed’s School | London (UK) | British Isles | Cobham. Surrey, United Kingdom | 11 - 18 |
| Reigate Grammar School | South East (UK) | British Isles | Reigate, United Kingdom | 11 - 18 |
| Rendcomb College | West (UK) | British Isles | Cirencester, United Kingdom | 3 - 18 |
| Repton School | West (UK) | British Isles | Repton, United Kingdom | 13 - 18 |
| RGS Worcester | West (UK) | British Isles | Worcester, United Kingdom | 11 - 18 |
| Robert Gordon’s College | Scottish (UK) | British Isles | Aberdeen, United Kingdom | 3 - 18 |
| Rockport School | Irish | British Isles | Holywood, United Kingdom | 2 - 18 |
| Roedean School | South East (UK) | British Isles | Brighton, United Kingdom | 11 - 18 |
| Rossall School | North West (UK) | British Isles | Fleetwood, United Kingdom | 2 - 18 |
| Rougemont School | South West (UK) | British Isles | Newport, United Kingdom | 3 - 18 |
| Royal Grammar School (Guildford) | South Central (UK) | British Isles | Guildford, United Kingdom | 11 - 18 |
| Royal High School Bath | South West (UK) | British Isles | Bath, United Kingdom | 3 - 18 |
| Royal Hospital School | East (UK) | British Isles | Ipswich, United Kingdom | 11 - 18 |
| Royal Masonic School for Girls | London (UK) | British Isles | Rickmansworth, United Kingdom | 2 - 18 |
| Royal Russell School | London (UK) | British Isles | Croydon, London, United Kingdom | 3 - 18 |
| Rugby School | West (UK) | British Isles | Rugby, United Kingdom | 13 - 18 |
| Ryde School | South Central (UK) | British Isles | Ryde, United Kingdom | 2 - 18 |
| Scarborough College | North East (UK) | British Isles | Scarborough, United Kingdom | 3 - 18 |
| Seaford College | South Central (UK) | British Isles | Petworth, United Kingdom | 6 - 18 |
| Sedbergh School | North East (UK) | British Isles | Sedbergh, United Kingdom | 13 - 18 |
| Sevenoaks School | South East (UK) | British Isles | Sevenoaks, United Kingdom | 11 - 18 |
| Sherborne School | South West (UK) | British Isles | Sherborne, United Kingdom | 13 - 18 |
| Sherborne School for Girls | South West (UK) | British Isles | Sherborne, United Kingdom | 11 - 18 |
| Shiplake College | South Central (UK) | British Isles | Oxon, United Kingdom | 11 - 18 |
| Shrewsbury International School Bangkok | International | International | Bangkok, Thailand | 2 - 18 |
Putney High School
Age range
4 - 18
Location
35 Putney Hill, London, SW15 6BH, United Kingdom
Head’s name
Jo Sharrock
Pymble Ladies’ College
Age range
Location
Avon Road Pymble NSW Australia
Head’s name
Kate Hadwen
Queen Anne’s School
Age range
11 - 18
Location
6 Henley Road, Caversham, Reading, RG4 6DX, United Kingdom
Head’s name
Elaine Purves
Queen Elizabeth Grammar School
Age range
7 - 18
Location
154 Northgate, Wakefield, WF1 3QX, United Kingdom
Head’s name
Richard Brookes
Queen Elizabeth’s Hospital
Age range
7 - 18
Location
Berkeley Place, Clifton, Bristol, BS8 1JX, United Kingdom
Head’s name
Rupert Heathcote
Queen’s College
Age range
0 - 18
Location
Trull Road, Taunton, TA1 4QS, United Kingdom
Head’s name
Julian Noad
Queenswood School
Age range
11 - 18
Location
Shepherd's Way, Hatfield, Hertfordshire, AL9 6NS, United Kingdom
Head’s name
Jo Cameron
Radley College
Age range
13 - 18
Location
Abingdon, Oxon, Oxfordshire, OX14 2HR, United Kingdom
Head’s name
John Moule
Ratcliffe College
Age range
3 - 18
Location
Fosse Way, Leicester, Leicestershire, LE7 4SG, United Kingdom
Head’s name
Jonathan Reddin
Reading Blue Coat School
Age range
11 - 18
Location
Sonning Lane, Sonning, Reading, Berkshire, RG4 6SU, United Kingdom
Head’s name
Peter Thomas
Redmaids’ High School
Age range
7 - 18
Location
Westbury-on-Trym, Bristol, BS9 3AQ, United Kingdom
Head’s name
Paul Dwyer
Reed’s School
Age range
11 - 18
Location
Sandy Lane, Cobham KT11 2ES, United Kingdom
Head’s name
Mark Hoskins
Reigate Grammar School
Age range
11 - 18
Location
Reigate Road, Reigate, Surrey, RH2 0QS, United Kingdom
Head’s name
Shaun Fenton
Rendcomb College
Age range
3 - 18
Location
Rendcomb, Cirencester, Gloucestershire, GL7 7HA, United Kingdom
Head’s name
Robert Jones
Repton School
Age range
13 - 18
Location
The Hall, Repton, Derbyshire, DE65 6FH, United Kingdom
Head’s name
Mark Semmence
RGS Worcester
Age range
11 - 18
Location
Upper Tything, Worcester, Worcestershire, WR1 1HP, United Kingdom
Head’s name
John Pitt
Robert Gordon’s College
Age range
3 - 18
Location
Schoolhill, Aberdeen, Scotland, AB10 1FE, United Kingdom
Head’s name
Robin Macpherson
Rockport School
Age range
2 - 18
Location
15 Rockport Road, Craigavad, Holywood, BT18 0DD
Head’s name
George Vance
Roedean School
Age range
11 - 18
Location
Roedean Way, Brighton, BN2 5RQ, United Kingdom
Head’s name
Niamh Green
Rossall School
Age range
2 - 18
Location
Broadway, Fleetwood, Lancashire, FY7 8JW, United Kingdom
Head’s name
Jeremy Quartermain
Rougemont School
Age range
3 - 18
Location
Malpas Road, Newport, NP20 6QB, United Kingdom
Head’s name
Lisa Pritchard
Royal Grammar School (Guildford)
Age range
11 - 18
Location
Royal Grammar School, Guildford, Surrey, GU1 3BB, United Kingdom
Head’s name
Jonathan Cox
Royal High School Bath
Age range
3 - 18
Location
Lansdown Road, Bath, BA1 5SZ, United Kingdom
Head’s name
Hadrian Briggs
Royal Hospital School
Age range
11 - 18
Location
Holbrook, Ipswich, Suffolk, IP9 2RX, United Kingdom
Head’s name
Irfan Latif
Royal Masonic School for Girls
Age range
2 - 18
Location
Rickmansworth Park, Rickmansworth, Hertfordshire, WD3 4HF, United Kingdom
Head’s name
Kevin Carson
Royal Russell School
Age range
3 - 18
Location
Coombe Lane, Croydon, London, CR9 5BX, United Kingdom
Head’s name
Christopher Hutchinson
Rugby School
Age range
13 - 18
Location
Lawrence Sheriff Street, Rugby, Warwickshire, CV22 5EH, United Kingdom
Head’s name
Gareth Parker-Jones
Ryde School
Age range
2 - 18
Location
Queen's Road, Ryde, Isle of Wight, PO33 3BE, United Kingdom
Head’s name
Will Turner
Scarborough College
Age range
3 - 18
Location
Filey Road, Scarborough, North Yorkshire, YO11 3BA
Head’s name
Guy Emmett
Seaford College
Age range
6 - 18
Location
Lavington Park, Petworth, West Sussex, GU28 0NB, United Kingdom
Head’s name
John Green
Sedbergh School
Age range
13 - 18
Location
Station Road, Sedbergh, Cumbria, LA10 5HG, United Kingdom
Head’s name
Dan Harrison
Sevenoaks School
Age range
11 - 18
Location
High Street, Sevenoaks, Kent, TN13 1HU, United Kingdom
Head’s name
Jesse Elzinga
Sherborne School
Age range
13 - 18
Location
Abbey Road, Sherborne, Dorset, DT9 3AP, United Kingdom
Head’s name
Dominic Luckett
Sherborne School for Girls
Age range
11 - 18
Location
Bradford Road, Sherborne, Dorset, DT9 3QN, United Kingdom
Head’s name
Ruth Sullivan
Shiplake College
Age range
11 - 18
Location
Shiplake, Henley-on-Thames, Oxon, RG9 4BW, United Kingdom
Head’s name
Tyrone Howe
Shrewsbury International School Bangkok
Age range
2 - 18
Location
1922 Charoenkrung Road, Wat Phraya Krai, Bang Kho Laem, Bangkok 10120, Thailand
Head’s name
Robert Millar