| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Bancroft's School | WOODFORD GREEN Essex, IG8 0RF | Map | Website |
| Beaumont School | ST ALBANS Hertfordshire, AL4 0XB | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Berkhamsted School | BERKHAMSTED Hertfordshire, HP4 2BB | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Bishop's Stortford High School | BISHOP'S STORTFORD Hertfordshire, CM23 3LU | Map | Website |
| Bradfield College | BRADFIELD Berkshire, RG7 6AU | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Chauncy School | WARE Hertfordshire, SG12 0DP | Map | Website |
| Chigwell School | CHIGWELL Essex, IG7 6QF | 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 |
| Duncombe School | HERTFORD Hertfordshire, SG14 3JA | Map | Website |
| Edge Grove | ALDENHAM VILLAGE Hertfordshire, WD25 8NL | Map | Website |
| Emanuel School | LONDON Surrey, SW11 1HS | Map | Website |
| Felsted Preparatory School | NR DUNMOW Essex, CM6 3JL | Map | Website |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Gatehouse School | LONDON Middlesex, E2 9JG | Map | Website |
| Goffs School | WALTHAM CROSS Hertfordshire, EN7 5QW | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Hampton School | HAMPTON Middlesex, TW12 3HD | Map | Website |
| Heath Mount School | HERTFORD Hertfordshire, SG14 3NG | Map | Website |
| Hemel Hempstead School | HEMEL HEMPSTEAD Hertfordshire, HP1 1TX | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hitchin Boys' School | HITCHIN Hertfordshire, SG5 1JB | Map | Website |
| Hitchin Girls' School | HITCHIN Hertfordshire, SG4 9RS | Map | Website |
| Hockerill Anglo-European College | BISHOPS STORTFORD Hertfordshire, CM23 5HX | Map | Website |
| Ipswich School | IPSWICH Suffolk, IP1 3SG | Map | Website |
| John Henry Newman School | STEVENAGE Hertfordshire, SG1 4AE | Map | Website |
| John Warner School | HODDESDON Hertfordshire, EN11 0QF | Map | Website |
| Joyce Frankland Academy | SAFFRON WALDEN Essex, CB11 3TR | Map | Website |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| Knights Templar School | BALDOCK Hertfordshire, SG7 6DZ | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Lochinver House School | POTTERS BAR Hertfordshire, EN6 1LW | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Monks Walk School | WELWYN GARDEN CITY Hertfordshire, AL8 7NL | Map | Website |
| New Hall School | CHELMSFORD Essex, CM3 3HS | Map | Website |
| Nicholas Breakspear Catholic School | ST ALBANS Hertfordshire, AL4 0TT | Map | Website |
| Oldham Hulme Grammar Schools | OLDHAM Lancashire, OL8 4BX | Map | Website |
| Presdales School | WARE Hertfordshire, SG12 9NX | Map | Website |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queenswood School | HATFIELD Hertfordshire, AL9 6NS | Map | Website |
| Radley College | ABINGDON Oxfordshire, OX14 2HR | Map | Website |
| Reigate Grammar School | REIGATE Surrey, RH2 0QS | Map | Website |
| RGS, Colchester | COLCHESTER Essex, CO3 3ND | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Robert Clack School | DAGENHAM Essex, RM8 1JU | Map | Website |
| Roundwood Park School | HARPENDEN Hertfordshire, AL5 3AE | Map | Website |
| Rugby School | RUGBY Warwickshire, CV22 5EH | Map | Website |
| Saffron Walden County High School | SAFFRON WALDEN Essex, CB11 4UH | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Shrewsbury School | SHREWSBURY Shropshire, SY3 7BA | Map | Website |
| Simon Balle School | HERTFORD Hertfordshire, SG13 8AJ | Map | Website |
| Sir Henry Floyd Grammar School | AYLESBURY Buckinghamshire, HP21 8PE | Map | Website |
| Sir John Lawes School | HARPENDEN Hertfordshire, AL5 4QP | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Catherine's School | BRAMLEY Surrey, GU5 0DF | 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 Ignatius College, Enfield | ENFIELD Middlesex, EN1 4NP | Map | Website |
| St Joan of Arc Catholic School | RICKMANSWORTH Hertfordshire, WD3 1HG | Map | Website |
| St John's School, Leatherhead | LEATHERHEAD Surrey, KT22 8SP | Map | Website |
| The Broxbourne School | BROXBOURNE Hertfordshire, EN10 7DD | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The Latymer School | LONDON Middlesex, N9 9TN | Map | Website |
| The Leventhorpe | SAWBRIDGEWORTH Hertfordshire, CM21 9BY | Map | Website |
| The Sele School | HERTFORD Hertfordshire, SG14 2DG | Map | Website |
| Verulam School | ST ALBANS Hertfordshire, AL1 4PR | Map | Website |
| Watford Grammar School for Boys | WATFORD Hertfordshire, WD18 7JF | Map | Website |
| Watford Grammar School for Girls | WATFORD Hertfordshire, WD18 0AE | Map | Website |
| Wellingborough School | WELLINGBOROUGH Northamptonshire, NN8 2BX | Map | Website |
| Woodford Green Preparatory School | WOODFORD GREEN Essex, IG8 0BZ | Map | Website |
| Woodhouse Grove School | BRADFORD Yorkshire, BD10 0NR | Map | Website |
| Woodlands School | BASILDON Essex, SS16 5BA | Map | Website |
| Wycombe Abbey School | HIGH WYCOMBE Buckinghamshire, HP11 1PE | Map | Website |
