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).
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2011 | 33,1 | -0,47 % |
| 2008 | 33,3 | -7,07 % |
| 2006 | 35,8 | 4,07 % |
| 2005 | 34,4 | 8,16 % |
| 2004 | 31,8 | 1,58 % |
| 2003 | 31,3 | 38,43 % |
| 1993 | 22,6 | 57,39 % |
| 1991 | 14,4 | -28,03 % |
| 1986 | 20,0 | 1,63 % |
| 1985 | 19,7 | 5,91 % |
| 1983 | 18,6 | -25,02 % |
| 1979 | 24,8 |