| 1 | Pate's Grammar School Period 202425 | 99.3% | Grammar · Day · 6th | Cheltenham, South West | Outstanding |
| 2 | Colyton Grammar School Period 202425 | 98.7% | Grammar · Day · 6th | Colyton, South West | Outstanding |
| 3 | South Wilts Grammar School Period 202425 | 98.7% | Grammar · Day · 6th | Salisbury, South West | Good |
| 4 | Sir Thomas Rich's School Period 202425 | 98.7% | Grammar · Day · 6th | Gloucester, South West | Good |
| 5 | Marling School Period 202425 | 98.1% | Grammar · Day · 6th | Stroud, South West | — |
| 6 | The Crypt School Period 202425 | 98.0% | Grammar · Day · 6th | Gloucester, South West | Outstanding |
| 7 | Devonport High School for Girls Period 202425 | 97.6% | Grammar · Day · 6th | Plymouth, South West | Good |
| 8 | Stroud High School Period 202425 | 97.5% | Grammar · Day · 6th | Stroud, South West | Outstanding |
| 9 | Bishop Wordsworth's Church of England Grammar School Period 202425 | 96.8% | Grammar · Day · 6th | Salisbury, South West | Outstanding |
| 10 | Bournemouth School for Girls Period 202425 | 96.0% | Grammar · Day · 6th | Bournemouth, South West | Outstanding |
| 11 | Bournemouth School Period 202425 | 96.0% | Grammar · Day · 6th | Bournemouth, South West | Outstanding |
| 12 | Churston Ferrers Grammar School Academy Period 202425 | 95.9% | Grammar · Day · 6th | Brixham, South West | Good |
| 13 | Poole Grammar School Period 202425 | 95.5% | Grammar · Day · 6th | Poole, South West | — |
| 14 | Devonport High School for Boys Period 202425 | 94.4% | Grammar · Day · 6th | Plymouth, South West | Good |
| 15 | Denmark Road High School Period 202425 | 94.2% | Grammar · Day · 6th | Gloucester, South West | Good |
| 16 | Torquay Boys' Grammar School Period 202425 | 93.4% | Grammar · Day · 6th | Torquay, South West | Good |
| 17 | Ribston Hall High School Period 202425 | 90.5% | Grammar · Day · 6th | Gloucester, South West | — |
| 18 | Parkstone Grammar School Period 202425 | 90.3% | Grammar · Day · 6th | Poole, South West | — |
| 19 | Plymouth High School for Girls Period 202425 | 90.3% | Grammar · Day · 6th | Plymouth, South West | — |
| 20 | Torquay Girls' Grammar School Period 202425 | 89.7% | Grammar · Day · 6th | Torquay, South West | Outstanding |
| 21 | Glenmoor Academy Period 202425 | 78.6% | Academy · Day | Bournemouth, South West | — |
| 22 | Winton Academy Period 202425 | 73.4% | Academy · Day | Bournemouth, South West | — |
| 23 | Ivybridge Community College Period 202425 | 71.6% | Academy · Day · 6th | Ivybridge, South West | Good |
| 24 | Redland Green School Period 202425 | 68.7% | Academy · Day · 6th | Bristol, South West | Good |
| 25 | Balcarras School Period 202425 | 66.5% | Academy · Day · 6th | Cheltenham, South West | — |