| 151 | Rikkyo School-in-England | 190 pupils | Independent · Boarding · 6th | Rudgwick, South East | — ISI · Good |
| 152 | OneSchool Global UK - Maidstone Campus | 155 pupils | Independent · Day · 6th | Maidstone, South East | — |
| 153 | St John's School | 870 pupils | Independent · Boarding · 6th | Leatherhead, South East | — |
| 154 | Kings Brighton | 114 pupils | Independent · Boarding · 6th | Brighton, South East | — ISI · Good |
| 155 | The Dulwich School Cranbrook | 434 pupils | Independent · Boarding | CRANBROOK, South East | — ISI · Good |
| 156 | Hall Grove School | 424 pupils | Independent · Boarding | Bagshot, South East | — ISI · Good |
| 157 | Greenfields School | 128 pupils | Independent · Boarding · 6th | Unknown, South East | — ISI · Good |
| 158 | Gad's Hill School | 357 pupils | Independent · Day | Rochester, South East | — |
| 159 | Brockwood Park School | 79 pupils | Independent · Boarding · 6th | Alresford, South East | — ISI · Good |
| 160 | OneSchool Global Reading Senior Campus | 93 pupils | Independent · Day · 6th | Unknown, South East | — |
| 161 | OneSchool Global UK - Hindhead Campus | 156 pupils | Independent · Day · 6th | Hindhead, South East | — |
| 162 | Forres Sandle Manor School | 199 pupils | Independent · Boarding | Fordingbridge, South East | — ISI · Good |
| 163 | Priory School | 193 pupils | Independent · Day · 6th | Whippingham, South East | — |
| 164 | St Mary's School | 439 pupils | Independent · Day · 6th | Gerrards Cross, South East | — |
| 165 | The King's School | 223 pupils | Independent · Day | Witney, South East | — |
| 166 | Earlscliffe (Sussex Summer Schools Ltd) | 123 pupils | Independent · Boarding · 6th | Folkestone, South East | — |
| 167 | Cherwell College Oxford | 28 pupils | Independent · Boarding · 6th | Oxford, South East | — ISI · Good |
| 168 | T A S I S | 660 pupils | Independent · Boarding · 6th | Egham, South East | — |
| 169 | Holme Grange School | 730 pupils | Independent · Day | Wokingham, South East | — ISI · Unsatisfactory |
| 170 | The King's School | 236 pupils | Independent · Day | Hampshire, South East | — |
| 171 | Hoe Bridge School | 545 pupils | Independent · Day | Surrey, South East | — ISI · Good |
| 172 | The Chalfonts Independent Grammar School | 158 pupils | Independent · Day · 6th | Unknown, South East | — ISI · Good |
| 173 | St Clare's, Oxford | 289 pupils | Independent · Boarding · 6th | Oxford, South East | — |
| 174 | Durlston Court School | 254 pupils | Independent · Day | New Milton, South East | — ISI · Good |
| 175 | Yateley Manor School | 245 pupils | Independent · Day | Unknown, South East | — ISI · Good |