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 , % |
|---|---|---|
| 2010 | 21,5 | 1,82 % |
| 2009 | 21,1 | 0,14 % |
| 2007 | 21,1 | 0,17 % |
| 2002 | 21,0 | 0,81 % |
| 2001 | 20,9 | -1,52 % |
| 2000 | 21,2 | 6,41 % |
| 1999 | 19,9 | -29,18 % |
| 1998 | 28,1 | -11,15 % |
| 1996 | 31,6 | 3,46 % |
| 1995 | 30,6 | -6,82 % |
| 1970 | 32,8 |