| Alleyn's School | DULWICH London, SE22 8SU | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | Map | Website |
| City of London School | LONDON Greater London, EC4V 3AL | Map | Website |
| Colfe's School | LONDON Kent, SE12 8AW | Map | Website |
| Coopers' Company & Coborn School | UPMINSTER Essex, RM14 3HS | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Davenant Foundation School | LOUGHTON Essex, IG10 2LD | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Haberdashers' Aske's School for Girls | ELSTREE Hertfordshire, WD6 3BT | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hockerill Anglo-European College | BISHOPS STORTFORD Hertfordshire, CM23 5HX | Map | Website |
| Joyce Frankland Academy | SAFFRON WALDEN Essex, CB11 3TR | Map | Website |
| King Edward VI Grammar School, Chelmsford | CHELMSFORD Essex, CM1 3SX | Map | Website |
| Loyola Preparatory School | BUCKHURST HILL Essex, IG9 5NH | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| RGS, Colchester | COLCHESTER Essex, CO3 3ND | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Saffron Walden County High School | SAFFRON WALDEN Essex, CB11 4UH | Map | Website |
| Sevenoaks School | SEVENOAKS Kent, TN13 1HU | Map | Website |
| St Albans High School for Girls | ST ALBANS Hertfordshire, AL1 3SJ | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Aubyn's School | WOODFORD GREEN Essex, IG8 9DU | Map | Website |
| St Cedd's School | CHELMSFORD Essex, CM2 0AR | Map | Website |
| St Dunstan's College | LONDON Kent, SE6 4TY | Map | Website |
| Stoke Newington School & Sixth Form | LONDON Middlesex, N16 9EY | Map | Website |
| The City Academy, Hackney | LONDON Greater London, E9 6EA | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Verulam School | ST ALBANS Hertfordshire, AL1 4PR | Map | Website |
| Woodbridge High School | WOODFORD GREEN Essex, IG8 7DQ | Map | Website |
| Woodford Green Preparatory School | WOODFORD GREEN Essex, IG8 0BZ | Map | Website |
