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).
| Date | Valeur | Modifier , % |
|---|---|---|
| 2016 | 17,0 | 2,19 % |
| 2015 | 16,6 | 5,04 % |
| 2014 | 15,8 | -9,78 % |
| 2013 | 17,5 | -1,91 % |
| 2012 | 17,9 | -4,26 % |
| 2011 | 18,7 | 2,14 % |
| 2009 | 18,3 | 4,96 % |
| 2008 | 17,4 | -1,54 % |
| 2007 | 17,7 | 1,83 % |
| 2006 | 17,4 | -7,64 % |
| 2005 | 18,8 | 0,07 % |
| 2004 | 18,8 |