| 151 | Upton Court Grammar School | Outstanding | Grammar · Day · 6th | Slough, South East | Outstanding |
| 152 | Upton Hall School FCJ | Outstanding | Grammar · Day · 6th | Wirral, North West | Outstanding |
| 153 | Urmston Grammar Academy | Good | Grammar · Day · 6th | Manchester, North West | Good |
| 154 | Wallington County Grammar School | 1,117 pupils | Grammar · Day · 6th | Wallington, London | — |
| 155 | Wallington High School for Girls | 1,547 pupils | Grammar · Day · 6th | Wallington, London | — |
| 156 | Weald of Kent Grammar School | 1,902 pupils | Grammar · Day · 6th | Tonbridge, South East | — |
| 157 | Westcliff High School for Boys Academy | Outstanding | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 158 | Westcliff High School for Girls | Outstanding | Grammar · Day · 6th | Westcliff-on-Sea, East of England | Outstanding |
| 159 | West Kirby Grammar School | Good | Grammar · Day · 6th | Wirral, North West | Good |
| 160 | Wilmington Grammar School for Boys | 1,178 pupils | Grammar · Day · 6th | Dartford, South East | — |
| 161 | Wilmington Grammar School for Girls | Good | Grammar · Day · 6th | Dartford, South East | Good |
| 162 | Wilson's School | Outstanding | Grammar · Day · 6th | Wallington, London | Outstanding |
| 163 | Wirral Grammar School for Boys | Good | Grammar · Day · 6th | Wirral, North West | Good |
| 164 | Wirral Grammar School for Girls | Outstanding | Grammar · Day · 6th | Wirral, North West | Outstanding |
| 165 | Wolverhampton Girls' High School | Outstanding | Grammar · Day · 6th | Wolverhampton, West Midlands | Outstanding |
| 166 | Woodford County High School | Good | Grammar · Day · 6th | Woodford Green, London | Good |
| 167 | Wycombe High School | Outstanding | Grammar · Day · 6th | High Wycombe, South East | Outstanding |
| 168 | Yarrow Heights School | 130 pupils | Grammar · Day · 6th | Unknown, South East | — |