| Haberdashers' Aske's School for Girls
| Elstree | Herefordshire | 3rd-12th | none | Girls only | 1111 | Non-Denominational Christian |
| Haileybury School
| Hertford | Herefordshire | 6th-Sixth Form | 8th-Sixth Form | Coed | 765 | Non-Denominational Christian |
| Immanuel College
| Bushey | Herefordshire | 6th-Sixth Form | none | Coed | 495 | Jewish |
| Royal Masonic School for Girls
| Rickmansworth | Herefordshire | PK-Sixth Form | 2nd-Sixth Form | Girls only | 805 | Non-Denominational Christian |