| Grades | A |
| B |
|
| Effective (N:50) | Percentage (%) | Effective (N:50) | Percentage (%) | |
| 1 | 26 | 52 | 3 | 6 |
| 2 | 6 | 12 | 9 | 18 |
| 3 | 1 | 2 | 13 | 26 |
| 4 | 17 | 34 | 25 | 50 |
| 5 | 0 | 0 | 0 | 0 |