| Aldenham School | BOREHAMWOOD Hertfordshire, WD6 3AJ | Map | Website |
| Beaumont School | ST ALBANS Hertfordshire, AL4 0XB | Map | Website |
| Bishop's Stortford College | BISHOP'S STORTFORD Hertfordshire, CM23 2PJ | Map | Website |
| Brisbane Boys' College (BBC) | TOOWONG Australia, QLD 4066 | Map | Website |
| Bushey Meads School (BMS) | BUSHEY Hertfordshire, WD23 4PA | Map | Website |
| Chauncy School | WARE Hertfordshire, SG12 0DP | Map | Website |
| Chiswick School | LONDON Middlesex, W4 3UN | Map | Website |
| Cox Green Comprehensive School | MAIDENHEAD Berkshire, SL6 3AX | Map | Website |
| Croxley Danes School | RICKMANSWORTH Hertfordshire, WD18 9BL | Map | Website |
| Dame Alice Owens School | POTTERS BAR Hertfordshire, EN6 2DU | Map | Website |
| Future Academies, Watford | WATFORD England, WD25 7HW | Map | Website |
| Haberdashers' Elstree Schools | ELSTREE Hertfordshire, WD6 3AF | Map | Website |
| Hertswood Academy | BOREHAMWOOD Hertfordshire, WD6 5LG | Map | Website |
| Hitchin Boys' School | HITCHIN Hertfordshire, SG5 1JB | Map | Website |
| Immanuel College | BUSHEY Hertfordshire, WD23 4EB | Map | Website |
| Katherine Warington School | HARPENDEN Hertfordshire, AL5 5FH | tbc | Website |
| Kings Langley School | KINGS LANGLEY Hertfordshire, WD4 9HN | Map | Website |
| Parmiter's School | WATFORD Hertfordshire, WD25 0UU | Map | Website |
| Queens School | WATFORD Hertfordshire, WD23 2TY | Map | Website |
| Rickmansworth School | RICKMANSWORTH Hertfordshire, WD3 3AQ | Map | Website |
| Samuel Ryder Academy | ST ALBANS Hertfordshire, AL1 5AR | Map | Website |
| Sandringham School | ST ALBANS Hertfordshire, AL4 9NX | Map | Website |
| Simon Balle School | HERTFORD Hertfordshire, SG13 8AJ | 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 Clement Danes School | CHORLEYWOOD Hertfordshire, WD3 6EW | Map | Website |
| St Joan of Arc Catholic School | RICKMANSWORTH Hertfordshire, WD3 1HG | Map | Website |
| St Margaret's School, Bushey | BUSHEY Hertfordshire, WD23 1DT | Map | Website |
| St Michael's Catholic High School | WATFORD Hertfordshire, WD25 0SS | Map | Website |
| The Grange Academy | BUSHEY Hertfordshire, WD23 3AA | Map | Website |
| The Leventhorpe | SAWBRIDGEWORTH Hertfordshire, CM21 9BY | Map | Website |
| The Marlborough Science Academy | ST ALBANS Hertfordshire, AL1 2QA | Map | Website |
| The Reach Free School | TOLPITS LANE Hertfordshire, WD18 9BL | Map | Website |
| The Royal Masonic School for Girls | RICKMANSWORTH Hertfordshire, WD3 4HF | 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 |
| Westfield Academy | WATFORD Hertfordshire, WD18 6NS | Map | Website |
