| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Beaumont School | ST ALBANS Hertfordshire, AL4 0XB | Map | Website |
| Bishop's Stortford High School | BISHOP'S STORTFORD Hertfordshire, CM23 3LU | Map | Website |
| Brampton Manor Academy | LONDON Middlesex, E6 3SQ | Map | Website |
| Chauncy School | WARE Hertfordshire, SG12 0DP | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Hitchin Boys' School | HITCHIN Hertfordshire, SG5 1JB | Map | Website |
| JFS School | HARROW Middlesex, HA3 9TE | Map | Website |
| Katherine Warington School | HARPENDEN Hertfordshire, AL5 5FH | tbc | Website |
| Longdean School | HEMEL HEMPSTEAD Hertfordshire, HP3 8JB | Map | Website |
| Lynch Hill (Foundation Primary) School | Slough Berkshire, SL2 2HX | tbc | tbc |
| Nicholas Breakspear Catholic School | ST ALBANS Hertfordshire, AL4 0TT | Map | Website |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Richard Hale School | HERTFORD Hertfordshire, SG13 8EN | Map | Website |
| Roundwood Park School | HARPENDEN Hertfordshire, AL5 3AE | Map | Website |
| Saffron Walden County High School | SAFFRON WALDEN Essex, CB11 4UH | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Simon Balle School | HERTFORD Hertfordshire, SG13 8AJ | Map | Website |
| Sir John Lawes School | HARPENDEN Hertfordshire, AL5 4QP | Map | Website |
| St Albans School | ST ALBANS Hertfordshire, AL3 4HB | 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 George's School, Harpenden | HARPENDEN Hertfordshire, AL5 4TD | Map | Website |
| The Broxbourne School | BROXBOURNE Hertfordshire, EN10 7DD | Map | Website |
| The Cottesloe School | LEIGTHON BUZZARD Bedfordshire, LU7 0NY | Map | Website |
| The Latymer School | LONDON Middlesex, N9 9TN | Map | Website |
| Thorpe St Andrew School | NORWICH Norfolk, NR7 0XS | Map | Website |
| Watford Grammar School for Boys | WATFORD Hertfordshire, WD18 7JF | Map | Website |
