| 151 | Knightsbridge School | 378 pupils | Independent · Day | London, London | — ISI · Excellent |
| 152 | Rendcomb College | 386 pupils | Independent · Boarding · 6th | Cirencester, South West | — ISI · Good |
| 153 | Kingham Hill School | 326 pupils | Independent · Boarding · 6th | Chipping Norton, South East | — ISI · Good |
| 154 | Oxford International College | Inadequate | Independent · Boarding · 6th | Unknown, South East | Inadequate |
| 155 | The King's School In Macclesfield | 1,330 pupils | Independent · Day · 6th | Macclesfield, North West | — ISI · Good |
| 156 | West Buckland School | 603 pupils | Independent · Boarding · 6th | Barnstaple, South West | — ISI · Good |
| 157 | Ashville College | 781 pupils | Independent · Boarding · 6th | Harrogate, Yorkshire and the Humber | — ISI · Good |
| 158 | North Bridge House Senior Canonbury School | 211 pupils | Independent · Day · 6th | Unknown, London | — ISI · Excellent |
| 159 | Lewes Old Grammar School | 694 pupils | Independent · Day · 6th | Unknown, South East | — ISI · Good |
| 160 | Derby High School | 696 pupils | Independent · Day · 6th | Derby, East Midlands | — ISI · Good |
| 161 | Barnard Castle School | 659 pupils | Independent · Boarding · 6th | Barnard Castle, North East | — ISI · Excellent |
| 162 | d'Overbroeck's | 692 pupils | Independent · Boarding · 6th | Oxford, South East | — |
| 163 | Denstone College | 754 pupils | Independent · Boarding · 6th | Uttoxeter, West Midlands | — ISI · Good |
| 164 | St Hugh's School | 327 pupils | Independent · Boarding | Oxfordshire, South East | — |
| 165 | Reddam House Berkshire | 800 pupils | Independent · Boarding · 6th | Wokingham, South East | — |
| 166 | Battle Abbey School | 472 pupils | Independent · Boarding · 6th | East Sussex, South East | — ISI · Good |
| 167 | Abbey College Cambridge | 428 pupils | Independent · Boarding · 6th | Cambridgeshire, East of England | — ISI · Good |
| 168 | Hulme Grammar School | 675 pupils | Independent · Day · 6th | Oldham, North West | — ISI · Good |
| 169 | Lingfield College | 951 pupils | Independent · Day · 6th | Lingfield, South East | — ISI · Good |
| 170 | Collegiate School | 767 pupils | Independent · Day · 6th | Unknown, South West | — ISI · Good |
| 171 | The Peterborough School | 514 pupils | Independent · Day · 6th | Peterborough, East of England | — ISI · Good |
| 172 | Oswestry School | 461 pupils | Independent · Boarding · 6th | Oswestry, West Midlands | — ISI · Good |
| 173 | Radnor House | 481 pupils | Independent · Day · 6th | Twickenham, London | — ISI · Good |
| 174 | Twycross House School | Outstanding | Independent · Day · 6th | Atherstone, East Midlands | Outstanding |
| 175 | St Edmunds school Trust Ltd | 626 pupils | Independent · Day | Unknown, South East | — |