| 301 | East Bergholt High School | 894 pupils | Academy · Day | Colchester, East of England | — |
| 302 | St Benedict's Catholic College | 891 pupils | State · Day | Colchester, East of England | — |
| 303 | Wootton Upper School | 867 pupils | Academy · Day · 6th | Bedford, East of England | — |
| 304 | Mark Hall Academy | 843 pupils | Academy · Day | Harlow, East of England | — |
| 305 | Sir Frederick Gibberd College | 843 pupils | Free School · Day · 6th | Harlow, East of England | — |
| 306 | East Point Academy | 826 pupils | Academy · Day | Lowestoft, East of England | — |
| 307 | Kempston Academy | 824 pupils | Academy · Day · 6th | Bedford, East of England | — |
| 308 | Cliff Park Ormiston Academy | 808 pupils | Academy · Day | Great Yarmouth, East of England | — |
| 309 | Marshland High School | 808 pupils | Academy · Day | Wisbech, East of England | — |
| 310 | Framingham Earl High School | 802 pupils | Academy · Day | Norwich, East of England | — |
| 311 | King Harold Business & Enterprise Academy | 797 pupils | Academy · Day | Waltham Abbey, East of England | — |
| 312 | Claydon High School | 771 pupils | Academy · Day | Ipswich, East of England | — |
| 313 | Witchford Village College | 767 pupils | Academy · Day | Ely, East of England | — |
| 314 | De La Salle School | 765 pupils | State · Day | Basildon, East of England | — |
| 315 | Broadland High Ormiston Academy | 757 pupils | Academy · Day | Norwich, East of England | — |
| 316 | Castle Manor Academy | 757 pupils | Academy · Day | Haverhill, East of England | — |
| 317 | Townsend Church of England School | 756 pupils | State · Day · 6th | St Albans, East of England | — |
| 318 | The Reach Free School | 753 pupils | Free School · Day · 6th | Rickmansworth, East of England | — |
| 319 | Castle Newnham School | 750 pupils | Academy · Day | Bedford, East of England | — |
| 320 | The Ramsey Academy, Halstead | 744 pupils | Academy · Day | Halstead, East of England | — |
| 321 | Ernulf Academy | 743 pupils | Academy · Day | St. Neots, East of England | — |
| 322 | Fakenham Academy | 743 pupils | Academy · Day · 6th | Fakenham, East of England | — |
| 323 | Ormiston Endeavour Academy | 739 pupils | Academy · Day | Ipswich, East of England | — |
| 324 | Hadleigh High School | 731 pupils | Academy · Day | Ipswich, East of England | — |
| 325 | Ormiston Denes Academy | 730 pupils | Academy · Day | Lowestoft, East of England | — |