| Non-attendant adolescents | Attendant adolescents | Total | ||||
| n | % | n | % | n | ||
| All subjects | 171 | 3.9 | 4236 | 96.1 | 4407 | |
| School year 7 | Girls | 16 | 2.1 | 762 | 97.9 | 778 |
| Boys | 42 | 5.6 | 714 | 94.4 | 756 | |
| Total | 58 | 3.8 | 1476 | 96.2 | 1534 | |
| School year 9 | Girls | 16 | 2.1 | 735 | 97.9 | 751 |
| Boys | 34 | 5.4 | 591 | 94.6 | 625 | |
| Total | 50 | 3.6 | 1326 | 96.4 | 1376 | |
| Grade 2 | Girls | 25 | 3.4 | 721 | 96.6 | 746 |
| Boys | 38 | 5.1 | 713 | 94.9 | 751 | |
| Total | 63 | 4.2 | 1434 | 95.8 | 1497 | |