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, % |
|---|---|---|
| 2015 | 20,4 | -25,52% |
| 2011 | 27,4 | 3,73% |
| 2005 | 26,4 | 0,00% |
| 2004 | 26,4 | -2,48% |
| 2002 | 27,0 | 7,75% |
| 2001 | 25,1 | -8,25% |
| 2000 | 27,3 | -20,64% |
| 1996 | 34,5 | 51,40% |
| 1985 | 22,8 | -0,19% |
| 1984 | 22,8 | 6,17% |
| 1982 | 21,5 | -3,36% |
| 1981 | 22,2 |