| Bedford Preparatory School | BEDFORD Bedfordshire, MK40 2TU | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Caldicott Preparatory School | FARNHAM ROYAL Buckinghamshire, SL2 3SL | Map | Website |
| Chesham Preparatory School | CHESHAM Buckinghamshire, HP5 3QF | Map | Website |
| Claires Court School | MAIDENHEAD Berkshire, SL6 6AW | Map | Website |
| Cokethorpe School | WITNEY Oxfordshire, OX29 7PU | Map | Website |
| Davenies Preparatory School | BEACONSFIELD Buckinghamshire, HP9 1AA | Map | Website |
| Gayhurst School | GERRARDS CROSS Buckinghamshire, SL9 8RJ | Map | Website |
| Gresham's School | HOLT Norfolk, NR25 6EA | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Highgate Primary School | LONDON Greater London, N6 4ED | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Merchant Taylors' Prep | RICKMANSWORTH Hertfordshire, WD3 1LW | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Saracens | LONDON Middlesex, N14 4AB | Map | Website |
| Shiplake College | HENLEY-ON-THAMES Oxfordshire, RG9 4BW | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | 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 |
| The Hall | LONDON Middlesex, NW3 4NU | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Oratory School | READING Oxfordshire, RG8 0PJ | Map | Website |
| Thorpe House School | GERRARDS CROSS Buckinghamshire, SL9 8QA | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| York House School | RICKMANSWORTH Hertfordshire, WD3 4LW | Map | Website |
