| 101 | West Buckland School | 603 pupils | Independent · Boarding · 6th | Barnstaple, South West | — ISI · Good |
| 102 | Ashville College | 781 pupils | Independent · Boarding · 6th | Harrogate, Yorkshire and the Humber | — ISI · Good |
| 103 | Barnard Castle School | 659 pupils | Independent · Boarding · 6th | Barnard Castle, North East | — ISI · Excellent |
| 104 | d'Overbroeck's | 692 pupils | Independent · Boarding · 6th | Oxford, South East | — |
| 105 | Denstone College | 754 pupils | Independent · Boarding · 6th | Uttoxeter, West Midlands | — ISI · Good |
| 106 | St Hugh's School | 327 pupils | Independent · Boarding | Oxfordshire, South East | — |
| 107 | Reddam House Berkshire | 800 pupils | Independent · Boarding · 6th | Wokingham, South East | — |
| 108 | Battle Abbey School | 472 pupils | Independent · Boarding · 6th | East Sussex, South East | — ISI · Good |
| 109 | Abbey College Cambridge | 428 pupils | Independent · Boarding · 6th | Cambridgeshire, East of England | — ISI · Good |
| 110 | Oswestry School | 461 pupils | Independent · Boarding · 6th | Oswestry, West Midlands | — ISI · Good |
| 111 | Tettenhall College Incorporated | 454 pupils | Independent · Boarding · 6th | Wolverhampton, West Midlands | — ISI · Good |
| 112 | Thetford Grammar School | 202 pupils | Independent · Boarding · 6th | Unknown, East of England | — ISI · Good |
| 113 | Ryde School with Upper Chine | 723 pupils | Independent · Boarding · 6th | Ryde, South East | — ISI · Good |
| 114 | Giggleswick School | 398 pupils | Independent · Boarding · 6th | Settle, Yorkshire and the Humber | — ISI · Excellent |
| 115 | Lincoln Minster School | 455 pupils | Independent · Boarding · 6th | Lincoln, East Midlands | — ISI · Good |
| 116 | Shebbear College | 240 pupils | Independent · Boarding · 6th | Beaworthy, South West | — ISI · Good |
| 117 | Farringtons School | 660 pupils | Independent · Boarding · 6th | Chislehurst, London | — ISI · Good |
| 118 | Dover College | 291 pupils | Independent · Boarding · 6th | Dover, South East | — ISI · Good |
| 119 | Kirkham Grammar School | 724 pupils | Independent · Boarding · 6th | Preston, North West | — ISI · Good |
| 120 | Bootham School | 623 pupils | Independent · Boarding · 6th | York, Yorkshire and the Humber | — ISI · Unsatisfactory |
| 121 | Kingsley School Devon | 455 pupils | Independent · Boarding · 6th | Bideford, South West | — |
| 122 | Luckley House School | 377 pupils | Independent · Boarding · 6th | Unknown, South East | — ISI · Good |
| 123 | Longridge Towers School | 309 pupils | Independent · Boarding · 6th | Berwick-upon-Tweed, North East | — ISI · Good |
| 124 | Oxford International College, Brighton | 246 pupils | Independent · Boarding · 6th | Brighton, South East | — |
| 125 | Blundell's School | 616 pupils | Independent · Boarding · 6th | Tiverton, South West | — ISI · Good |