| 1 | Sir Thomas Rich's School Period 202425 | 98.7% | Grammar · Day · 6th | Gloucester, South West | Good |
| 2 | Marling School Period 202425 | 98.1% | Grammar · Day · 6th | Stroud, South West | — |
| 3 | Bishop Wordsworth's Church of England Grammar School Period 202425 | 96.8% | Grammar · Day · 6th | Salisbury, South West | Outstanding |
| 4 | Bournemouth School Period 202425 | 96.0% | Grammar · Day · 6th | Bournemouth, South West | Outstanding |
| 5 | Poole Grammar School Period 202425 | 95.5% | Grammar · Day · 6th | Poole, South West | — |
| 6 | Devonport High School for Boys Period 202425 | 94.4% | Grammar · Day · 6th | Plymouth, South West | Good |
| 7 | Torquay Boys' Grammar School Period 202425 | 93.4% | Grammar · Day · 6th | Torquay, South West | Good |
| 8 | Winton Academy Period 202425 | 73.4% | Academy · Day | Bournemouth, South West | — |
| 9 | Beechen Cliff School Period 202425 | 64.6% | Academy · Boarding · 6th | Bath, South West | Good |
| 10 | Avonbourne Boys' Academy Period 202425 | 58.6% | Academy · Day | Bournemouth, South West | Outstanding |
| 11 | Brymore Academy Period 202425 | 35.3% | Academy · Boarding | Bridgwater, South West | — |
| 12 | SGS Berkeley Green UTC Period 202425 | 32.4% | Free School · Day · 6th | Berkeley, South West | Good |
| 13 | UTC Swindon Period 202425 | 25.4% | Free School · Day · 6th | Swindon, South West | Requires Improvement |
| 14 | St Boniface's RC College Period 202425 | 25.0% | Academy · Day · 6th | Plymouth, South West | — |