| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6th Form | 1170 |
53.2%
|
| 2 | 7th Form | 577 |
26.2%
|
| 3 | 8th Form | 158 |
7.2%
|
| 4 | 9th Form | 294 |
13.4%
|
| Sysmiss | 322 |