| Aboyne Lodge Junior Mixed & Infant School | St Albans Hertfordshire, AL3 5NL | tbc | tbc |
| Aylesbury Grammar School | AYLESBURY Buckinghamshire, HP21 7RP | 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 |
| Bernards Heath Junior School | St Albans Hertfordshire, AL3 5HP | tbc | tbc |
| Bishop's Stortford High School | BISHOP'S STORTFORD Hertfordshire, CM23 3LU | Map | Website |
| Brentwood School | BRENTWOOD Essex, CM15 8AS | Map | Website |
| Claremont Fan Court School | ESHER Surrey, KT10 9LY | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Dr Challoner's Grammar School | AMERSHAM Buckinghamshire, HP6 5HA | Map | Website |
| Edge Grove | ALDENHAM VILLAGE Hertfordshire, WD25 8NL | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Fleetville Junior School | St Albans Hertfordshire, AL1 4LW | tbc | tbc |
| Forest School | LONDON Greater London, E17 3PY | Map | Website |
| Freman College | BUNTINGFORD Hertfordshire, SG9 9BT | Map | Website |
| Gordon's School | WOKING Surrey, GU24 9PT | Map | Website |
| Haileybury | HERTFORD Hertfordshire, SG13 7NU | Map | Website |
| Highgate School | LONDON Middlesex, N6 4AY | Map | Website |
| Hitchin Boys' School | HITCHIN Hertfordshire, SG5 1JB | Map | Website |
| Killigrew Junior School | St Albans Hertfordshire, AL2 3HD | tbc | tbc |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| Latymer Upper School | LONDON Greater London, W6 9LR | Map | Website |
| Lincroft School | BEDFORD Bedfordshire, MK43 7RE | Map | Website |
| Lockers Park School | HEMEL HEMPSTEAD Hertfordshire, HP1 1TL | Map | Website |
| Longdean School | HEMEL HEMPSTEAD Hertfordshire, HP3 8JB | Map | Website |
| Merchant Taylors' School, Northwood | NORTHWOOD Middlesex, HA6 2HT | 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 |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Prae Wood Primary School | St Albans Hertfordshire, AL3 4HZ | tbc | tbc |
| Queen Elizabeth's School, Barnet | BARNET Hertfordshire, EN5 4DQ | Map | Website |
| Queens School | WATFORD Hertfordshire, WD23 2TY | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Roundwood Park School | HARPENDEN Hertfordshire, AL5 3AE | Map | Website |
| Samuel Ryder Academy | ST ALBANS Hertfordshire, AL1 5AR | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Sir John Lawes School | HARPENDEN Hertfordshire, AL5 4QP | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | Map | Website |
| St Benedict's School, Ealing | LONDON Middlesex, W5 2ES | Map | Website |
| St Bernadette RC Primary School, St Albans | St Albans Hertfordshire, AL2 1NL | tbc | tbc |
| St George's School, Harpenden | HARPENDEN Hertfordshire, AL5 4TD | 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 Michael's Catholic High School | WATFORD Hertfordshire, WD25 0SS | Map | Website |
| The Haberdashers' Aske's Boys' School | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| The John Lyon School | HARROW Middlesex, HA2 0HN | Map | Website |
| The Perse Upper School | CAMBRIDGE Cambridgeshire, CB2 8QF | Map | Website |
| Tring School | TRING Hertfordshire, HP23 5JD | Map | Website |
| University College School (UCS) | LONDON Middlesex, NW3 6XH | Map | Website |
| Watford Grammar School for Boys | WATFORD Hertfordshire, WD18 7JF | Map | Website |
| Wellingborough School | WELLINGBOROUGH Northamptonshire, NN8 2BX | Map | Website |
| Whitgift School | SOUTH CROYDON Surrey, CR2 6YT | Map | Website |
| Woodlands School | BASILDON Essex, SS16 5BA | Map | Website |
| York House School | RICKMANSWORTH Hertfordshire, WD3 4LW | Map | Website |
