Schools
| Name | Category | Notes |
|---|---|---|
| Hummersknott School | Comprehensive | |
| Hunmanby Hall School | Other private | Yorkshire. |
| Huntcliff Secondary School | Comprehensive | |
| Huntingdon Grammar School | Grammar | |
| Hurstpierpoint College | Public | |
| Hutchesons Grammar School | Public | |
| Hutchesontown Grammar School | Grammar | |
| Hutton Grammar School | Grammar | Preston. |
| Hyde Abbey School | Other private | Winchester. |
| Hyde County Grammar School | Grammar | Cheshire. |
| Hymers College | Unknown | Kingston-upon-Hull. |
| Icknield High School | Comprehensive | Luton. |
| Idsall School | Academy | |
| Ilkley High School | Grammar | |
| Imperial Service College | Service college | Windsor. |
| Impington Village College | Comprehensive | |
| Independent College | Other private | Taunton. |
| Inverness Royal Academy | Other private | |
| Inverurie Academy | Academy | |
| Ipswich School | Public | |
| Irish College | Overseas | Paris, France. |
| Irvine Public School | Other private | |
| Islay High School | Grammar | Argyll. |
| Isleworth Grammar School | Grammar | |
| Islington Proprietary School | Other private |