| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Anglo-European School | INGATESTONE Essex, CM4 0DJ | Map | Website |
| Avon House | WOODFORD GREEN Essex, IG8 0PN | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Burnt Mill Academy | HARLOW Essex, CM20 2NR | 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 |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Haberdashers' Elstree Schools | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hockerill Anglo-European College | BISHOPS STORTFORD Hertfordshire, CM23 5HX | Map | Website |
| Ipswich School | IPSWICH Suffolk, IP1 3SG | Map | Website |
| Kent College | CANTERBURY Kent, CT2 9DT | Map | Website |
| King Edward VI Grammar School, Chelmsford | CHELMSFORD Essex, CM1 3SX | Map | Website |
| King's College School | CAMBRIDGE Cambridgeshire, CB3 9DN | Map | Website |
| Kingshott Preparatory School | HITCHIN Hertfordshire, SG4 7JX | Map | Website |
| Loyola Preparatory School | BUCKHURST HILL Essex, IG9 5NH | 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 |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Putney High School | LONDON Surrey, SW15 6BH | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Reed's School | COBHAM Surrey, KT11 2ES | Map | Website |
| RGS, Colchester | COLCHESTER Essex, CO3 3ND | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Aubyn's School | WOODFORD GREEN Essex, IG8 9DU | Map | Website |
| St Benedict's Junior School | LONDON Middlesex, W5 2XP | Map | Website |
| St Cedd's School | CHELMSFORD Essex, CM2 0AR | Map | Website |
| St Columba's College | ST ALBANS Hertfordshire, AL3 4AW | Map | Website |
| St Edmund's College, Ware | WARE Hertfordshire, SG11 1DS | Map | Website |
| St Faith's School | CAMBRIDGE Cambridgeshire, CB2 8AG | Map | Website |
| St Ignatius College, Enfield | ENFIELD Middlesex, EN1 4NP | Map | Website |
| The City Academy, Hackney | LONDON Greater London, E9 6EA | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
