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 | 16,4 | 2,25% |
| 2014 | 16,0 | -6,65% |
| 2013 | 17,2 | 2,35% |
| 2012 | 16,8 | -2,45% |
| 2011 | 17,2 | -1,68% |
| 2010 | 17,5 | -3,87% |
| 2009 | 18,2 | -0,16% |
| 2008 | 18,2 | -4,10% |
| 2007 | 19,0 | -26,86% |
| 2006 | 26,0 | 10,67% |
| 2005 | 23,5 | 3,52% |
| 2004 | 22,7 |