| Value | Category | Cases | |
|---|---|---|---|
| 1 | Primary 6 | 452 |
21.2%
|
| 2 | Form1/Year 7 | 652 |
30.5%
|
| 3 | Form 2/Year8 | 690 |
32.3%
|
| 4 | Form 3/Year 9 | 342 |
16%
|
| Sysmiss | 19 |