Secondary school pupil-teacher ratio is the number of pupils enrolled in secondary school divided by the number of secondary school teachers (regardless of their teaching assignment).
| Data | Valor | Modificar, % |
|---|---|---|
| 2003 | 14,9 | -10,41% |
| 2002 | 16,7 | -22,74% |
| 1999 | 21,6 |