| Abbot's Hill | HEMEL HEMPSTEAD Hertfordshire, HP3 8RP | Map | Website |
| Aldwickbury School | HARPENDEN Hertfordshire, AL5 1AD | Map | Website |
| Beechwood Park School | ST ALBANS Hertfordshire, AL3 8AW | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Bovingdon Primary School | Hemel Hempstead Hertfordshire, HP3 0HL | tbc | tbc |
| Charlotte House Preparatory School for Girls | RICKMANSWORTH Hertfordshire, WD3 4DU | Map | Website |
| Chesham Preparatory School | CHESHAM Buckinghamshire, HP5 3QF | Map | Website |
| Duncombe School | HERTFORD Hertfordshire, SG14 3JA | Map | Website |
| Edge Grove | ALDENHAM VILLAGE Hertfordshire, WD25 8NL | Map | Website |
| Feltonfleet School | COBHAM Surrey, KT11 1DR | Map | Website |
| Gateway School | GREAT MISSENDEN Buckinghamshire, HP16 9AA | Map | Website |
| Gayhurst School | GERRARDS CROSS Buckinghamshire, SL9 8RJ | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Heath Mount School | HERTFORD Hertfordshire, SG14 3NG | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Keble Prep | LONDON Middlesex, N21 1BG | Map | Website |
| Kingshott Preparatory School | HITCHIN Hertfordshire, SG4 7JX | Map | Website |
| Lochinver House School | POTTERS BAR Hertfordshire, EN6 1LW | Map | Website |
| Lockers Park School | HEMEL HEMPSTEAD Hertfordshire, HP1 1TL | Map | Website |
| Maltman's Green School | GERRARDS CROSS Buckinghamshire, SL9 8RR | Map | Website |
| Manor Lodge School | SHENLEY Hertfordshire, WD7 9BG | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Orley Farm School | HARROW-ON-THE-HILL Middlesex, HA1 3NU | Map | Website |
| Pipers Corner School | HIGH WYCOMBE Buckinghamshire, HP15 6LP | Map | Website |
| Radlett Preparatory School | RADLETT Hertfordshire, WD7 7LY | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St Hilda's School | BUSHEY Hertfordshire, WD23 3DA | Map | Website |
| St Joseph's in the Park | HERTINGFORDBURY Hertfordshire, SG14 2LX | Map | Website |
| St Margaret's School, Bushey | BUSHEY Hertfordshire, WD23 1DT | Map | Website |
| St Martin's School, Northwood | NORTHWOOD Middlesex, HA6 2DJ | Map | Website |
| Stormont School | POTTERS BAR Hertfordshire, EN6 5HA | Map | Website |
| Swanbourne House School | MILTON KEYNES Buckinghamshire, MK17 0HZ | Map | Website |
| The Beacon School | AMERSHAM Buckinghamshire, HP6 5PF | Map | Website |
| York House School | RICKMANSWORTH Hertfordshire, WD3 4LW | Map | Website |
