| Aldenham School
| Borehamwood | Hertfordshire | 6th-Sixth Form | 6th-Sixth Form | Coed | 560 | Church of England |
| Berkhamsted School
| Berkhamsted | Hertfordshire | PK-Sixth Form | 6th-Sixth Form | Coed | 1495 | Church of England |
| Bishop's Stortford College
| Bishop's Stortford | Hertfordshire | PK-Sixth Form | 2nd-Sixth Form | Coed | 1130 | Non-Denominational Christian |
| Haberdashers' Aske's Boys' School
3.8/5
based on 1 student review(s) | Elstree | Hertfordshire | K-12th | none | Boys only | 1300 | Church of England |
| Queenswood School
| Hatfield | Hertfordshire | 6th-Sixth Form | 6th-Sixth Form | Girls only | 400 | Non-Denominational Christian |
| St. Albans High School for Girls
| St. Alban | Hertfordshire | PK-Sixth Form | none | Girls only | 940 | Church of England |
| St. Albans School Hertfordshire
5/5
based on 1 student review(s) | St. Alban | Hertfordshire | 6th-Sixth Form | none | Boys only | 785 | Church of England |
| St. Edmund's College
| Ware | Hertfordshire | PK-Sixth Form | 7th-Sixth Form | Coed | 640 | Roman Catholic |