| Lancing College126108 | Not applicable | — | — | 612 |
| Kingslea Primary School134776 | Primary | Good | 6.1% | 426 |
| Kingsham Primary School141181 | Primary | Good | 32.5% | 277 |
| Kilnwood Vale Primary School147193 | Primary | Good | 8.7% | 349 |
| Jolesfield CofE Primary School125985 | Primary | Good | 9.3% | 151 |
| Jessie Younghusband Primary School125880 | Primary | Good | 11.3% | 213 |
| Ingfield Manor School135814 | Not applicable | Good | 32.8% | 71 |
| Imberhorne School126088 | Secondary | Good | 11.2% | 1,573 |
| Ifield Community College150094 | Secondary | Good | — | — |
| Hurstpierpoint College126136 | Not applicable | — | — | 1,317 |
| Hove Micro-School150990 | Not applicable | — | — | 12 |
| Horsham Nursery School125809 | Nursery | Good | 0.0% | 188 |
| Homefield Primary School and Ssc125961 | Primary | Good | 18.7% | 717 |
| Holy Trinity CofE Secondary School, Crawley126098 | Secondary | Good | 30.2% | 1,359 |
| Holy Trinity CofE Primary School, Lower Beeding125987 | Primary | Good | 8.4% | 83 |
| Holy Trinity Church of England Primary School, Cuckfield150946 | Primary | Good | 7.9% | 419 |
| Holmbush Primary Academy141906 | Primary | Good | 12.8% | 204 |
| Hollycombe Primary School125832 | Primary | Good | 4.7% | 107 |
| Holbrook Primary School125965 | Primary | Good | 7.7% | 416 |
| Hilltop Primary School138648 | Primary | Good | 24.6% | 642 |
| Highfield and Brookham School126151 | Not applicable | — | — | 448 |
| Herons Dale School126169 | Not applicable | Good | 32.4% | 145 |
| Heron Way Primary School125887 | Primary | Outstanding | 6.5% | 418 |
| Heene CofE Primary School149713 | Primary | Inadequate | 23.2% | 395 |
| Hazelwick School137263 | Secondary | Outstanding | 17.9% | 1,890 |
| Hawthorns Primary School150286 | Primary | Requires Improvement | 33.3% | 183 |
| Hassocks Infant School125933 | Primary | Good | 4.9% | 268 |
| Harting CofE Primary School126017 | Primary | Good | 10.3% | 97 |
| Harlands Primary School140723 | Primary | Good | 2.6% | 457 |
| Handcross Primary School125932 | Primary | Good | 10.9% | 248 |
| Hambrook School149912 | Not applicable | — | — | 50 |
| Halsford Park Primary School141265 | Primary | Good | 9.4% | 404 |
| Greenway Junior School138492 | Primary | Good | 8.8% | 307 |
| Great Walstead School126135 | Not applicable | — | — | 299 |
| Great Ballard School126130 | Not applicable | — | — | 242 |
| Graffham Church of England Infant School (Voluntary Controlled)148396 | Primary | Good | 6.4% | 47 |
| Gossops Green Primary143635 | Primary | Good | 23.6% | 592 |
| Goring-By-Sea CofE (Aided) Primary School126045 | Primary | Good | 9.8% | 419 |
| Glebe Primary School150066 | Primary | Good | 20.4% | 466 |
| Georgian Gardens Community Primary School125959 | Primary | Good | 20.7% | 410 |
| Funtington Primary School125830 | Primary | Good | 19.6% | 107 |
| Forge Wood Primary School140651 | Primary | Outstanding | 18.1% | 415 |
| Fordwater School, Chichester126163 | Not applicable | Good | 36.6% | 193 |
| Fittleworth CofE Village School125984 | Primary | Requires Improvement | 12.5% | 128 |
| Fishbourne CofE Primary School150592 | Primary | Good | 6.7% | 208 |
| Ferring C of E Primary School125982 | Primary | Good | 10.7% | 178 |
| Fernhurst Primary School141266 | Primary | Good | 13.6% | 103 |
| Felpham Community College126080 | Secondary | Good | 19.8% | 1,557 |
| Farney Close School126139 | Not applicable | — | — | 81 |
| Farlington School126126 | Not applicable | — | — | 411 |