| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | 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 |
| Bute House Preparatory School for Girls | LONDON Middlesex, W6 7EA | Map | Website |
| Cheltenham College Preparatory School | CHELTENHAM Gloucestershire, GL53 7AB | Map | Website |
| Chesham Preparatory School | CHESHAM Buckinghamshire, HP5 3QF | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Cranford House School | WALLINGFORD Oxfordshire, OX10 9HT | Map | Website |
| Daneshill School | STRATFIELD TURGIS Hampshire, RG27 0AR | Map | Website |
| Davenies Preparatory School | BEACONSFIELD Buckinghamshire, HP9 1AA | 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 |
| Dunottar School | REIGATE Surrey, RH2 7EL | Map | Website |
| Eagle House | SANDHURST Berkshire, GU47 8PH | Map | Website |
| Gayhurst School | GERRARDS CROSS Buckinghamshire, SL9 8RJ | Map | Website |
| Glendower Preparatory School | LONDON Middlesex, SW7 5JX | Map | Website |
| Godstowe Preparatory School | HIGH WYCOMBE Buckinghamshire, HP13 6PR | Map | Website |
| Great Marlow School | MARLOW Buckinghamshire, SL7 1JE | Map | Website |
| Hall Grove School | BAGSHOT Surrey, GU19 5HZ | Map | Website |
| Headington Preparatory School | OXFORD Oxfordshire, OX3 7PB | 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 |
| Lambrook School | BRACKNELL Berkshire, RG42 6LU | Map | Website |
| Maltman's Green School | GERRARDS CROSS Buckinghamshire, SL9 8RR | Map | Website |
| Oratory Prep School | READING Berkshire, RG8 7SF | Map | Website |
| Parsons Green Prep School | LONDON Greater London, SW6 4LJ | Map | Website |
| Pipers Corner School | HIGH WYCOMBE Buckinghamshire, HP15 6LP | Map | Website |
| Queen Anne's School | READING Berkshire, RG4 6DX | Map | Website |
| Ravenscourt Park Preparatory School | LONDON Middlesex, W6 0SL | 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 George's School, Harpenden | HARPENDEN Hertfordshire, AL5 4TD | Map | Website |
| St Helen & St Katharine | ABINGDON Oxfordshire, OX14 1BE | Map | Website |
| St Hugh's School | FARINGDON Oxfordshire, SN7 8PT | Map | Website |
| St Joseph's College, Reading | READING Berkshire, RG1 5JT | Map | Website |
| St Mary's School Gerrards Cross | GERRARDS CROSS Buckinghamshire, SL9 8JQ | 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 |
| Walthamstow Hall | SEVENOAKS Kent, TN13 3UL | Map | Website |
| Wycombe Abbey School | HIGH WYCOMBE Buckinghamshire, HP11 1PE | Map | Website |
| Wycombe High School | HIGH WYCOMBE Buckinghamshire, HP11 1TB | Map | Website |
