| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | Map | Website |
| Ashfold School | AYLESBURY Buckinghamshire, HP18 9NG | Map | Website |
| Beaconsfield High School | BEACONSFIELD Buckinghamshire, HP9 1RR | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Bishopsgate School | EGHAM Surrey, TW20 0YJ | Map | Website |
| Chesham Grammar School | CHESHAM Buckinghamshire, HP5 1BA | Map | Website |
| Chesham Preparatory School | CHESHAM Buckinghamshire, HP5 3QF | Map | Website |
| City of London Freemen's | ASHTEAD Surrey, KT21 1ET | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Crosfields School | READING Berkshire, RG2 9BL | Map | Website |
| Dean Close Preparatory School | CHELTENHAM Gloucestershire, GL51 6QS | Map | Website |
| Dolphin School | HURST Berkshire, RG10 0FR | Map | Website |
| Downe House | THATCHAM Berkshire, RG18 9JJ | Map | Website |
| Dr Challoner's High School | AMERSHAM Buckinghamshire, HP7 9QB | Map | Website |
| Dragon School | OXFORD Oxfordshire, OX2 6SS | Map | Website |
| Eagle House | SANDHURST Berkshire, GU47 8PH | Map | Website |
| Godstowe Preparatory School | HIGH WYCOMBE Buckinghamshire, HP13 6PR | Map | Website |
| Great Marlow School | MARLOW Buckinghamshire, SL7 1JE | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Hall Grove School | BAGSHOT Surrey, GU19 5HZ | Map | Website |
| Heathfield School | ASCOT Berkshire, SL5 8BQ | Map | Website |
| High March School | BEACONSFIELD Buckinghamshire, HP9 2PZ | Map | Website |
| Highfield Preparatory School | MAIDENHEAD Berkshire, SL6 1PD | Map | Website |
| Holmewood House School | TUNBRIDGE WELLS Kent, TN3 0EB | Map | Website |
| Hurstpierpoint College | HASSOCKS Sussex, BN6 9JS | Map | Website |
| Kew Green Preparatory School | KEW GREEN Surrey, TW9 3AF | Map | Website |
| Lambrook School | BRACKNELL Berkshire, RG42 6LU | Map | Website |
| Maltman's Green School | GERRARDS CROSS Buckinghamshire, SL9 8RR | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Oratory Prep School | READING Berkshire, RG8 7SF | Map | Website |
| Pipers Corner School | HIGH WYCOMBE Buckinghamshire, HP15 6LP | Map | Website |
| Princess Helena College | HITCHIN Hertfordshire, SG4 7RT | Map | Website |
| Queen Anne's School | READING Berkshire, RG4 6DX | Map | Website |
| Sir William Borlase's Grammar School | MARLOW Buckinghamshire, SL7 2BR | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St George's School Ascot | ASCOT Berkshire, SL5 7DZ | Map | Website |
| St Helen & St Katharine | ABINGDON Oxfordshire, OX14 1BE | Map | Website |
| St Hugh's School | FARINGDON Oxfordshire, SN7 8PT | Map | Website |
| St Mary's Calne | CALNE Wiltshire, SN11 0DF | Map | Website |
| St Mary's School Gerrards Cross | GERRARDS CROSS Buckinghamshire, SL9 8JQ | Map | Website |
| St Piran's School | MAIDENHEAD Berkshire, SL6 7LZ | Map | Website |
| Stowe School | BUCKINGHAM Buckinghamshire, MK18 5EH | Map | Website |
| The Independent Association of Prep Schools - IAPS | LEAMINGTON SPA Warwickshire, CV32 5LA | Map | Website |
| The Manor Preparatory School | ABINGDON Oxfordshire, OX13 6LN | Map | Website |
| The Royal Masonic School for Girls | RICKMANSWORTH Hertfordshire, WD3 4HF | Map | Website |
| Twyford School | WINCHESTER Hampshire, SO21 1NW | Map | Website |
| Upton House School | WINDSOR Berkshire, SL4 3DF | Map | Website |
| Winchester House School | BRACKLEY Northamptonshire, NN13 7AZ | Map | Website |
| Wycombe Abbey School | HIGH WYCOMBE Buckinghamshire, HP11 1PE | Map | Website |
| Wycombe High School | HIGH WYCOMBE Buckinghamshire, HP11 1TB | Map | Website |
