| Grade Improvement | Name | Club | Grade | Previous Grade |
|---|---|---|---|---|
| 281 | Muhammed Kausar | Devonport High School for Boys | 1638 | 1357 |
| 228 | Pengxiao Zhu | Devon CCA | 2055 | 1827 |
| 140 | Megan E O'Brien | Plymouth | 1876 | 1736 |
| 140 | Megan E O'Brien | Devon CCA | 1876 | 1736 |
| 130 | Caleb Caleshu | Plymouth | 2097 | 1967 |
| 130 | Caleb Caleshu | Devon CCA | 2097 | 1967 |
| 113 | Cameron Davis | Devon CCA | 1922 | 1809 |
| 89 | Luke Honey | Devon CCA | 2069 | 1980 |
| 74 | Trevor Hurt | Devon CCA | 1621 | 1547 |
| 74 | Trevor Hurt | South Hams | 1621 | 1547 |
| 72 | Andrew D Wright | Devon CCA | 1558 | 1486 |
| 72 | Andrew D Wright | Plymouth | 1558 | 1486 |
| 72 | Marcus Gosling | Exeter | 1958 | 1886 |
| 66 | Richard J Smith | Barnstaple | 1608 | 1542 |
| 63 | Andrew Smith | Teignmouth | 1807 | 1744 |
| 40 | Mark V Abbott | Exmouth | 1924 | 1884 |
| 39 | David R Rogers | Exmouth | 1706 | 1667 |
| 39 | A Jon Munsey | Barnstaple | 1639 | 1600 |
| 38 | Martin Goldschmidt | Devon CCA | 1985 | 1947 |
| 31 | Scott Leadbetter | Barnstaple | 1702 | 1671 |