Schools
I
| Name | Category | Notes |
|---|---|---|
| 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 | |
| Istituto Tecnico Trasporti e Logistica "Francesco De Pinedo" | Overseas | Rome, Italy. |
| Itchen Grammar School | Grammar | Southampton. |