| Caldicott Preparatory School | FARNHAM ROYAL Buckinghamshire, SL2 3SL | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Davenies Preparatory School | BEACONSFIELD Buckinghamshire, HP9 1AA | Map | Website |
| Dragon School | OXFORD Oxfordshire, OX2 6SS | Map | Website |
| Gayhurst School | GERRARDS CROSS Buckinghamshire, SL9 8RJ | Map | Website |
| Merchant Taylors' Prep (formerly Northwood Prep) | RICKMANSWORTH Hertfordshire, WD3 1LW | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Quainton Hall Preparatory | HARROW Middlesex, HA1 1RX | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| St Benedict's Junior School | LONDON Middlesex, W5 2XP | Map | Website |
| St Benedict's School | LONDON Middlesex, W5 2ES | Map | Website |
| St Edward's School, Oxford | OXFORD Oxfordshire, OX2 7NN | Map | Website |
| St John's Beaumont School | OLD WINDSOR Berkshire, SL4 2JN | Map | Website |
| St Martin's School, Northwood | NORTHWOOD Middlesex, HA6 2DJ | Map | Website |
| St Paul's School | LONDON Middlesex, SW13 9JT | Map | Website |
| The Beacon School | AMERSHAM Buckinghamshire, HP6 5PF | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Thorpe House School | GERRARDS CROSS Buckinghamshire, SL9 8QA | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
