2 weeks for me, and than hell for everyone...
Not for me
In the Netherlands it works:
Kleuterschool (for the 3 years old, not needed though
-Basisschool-
Groep 1 (4)
Groep 2
... until Groep 8 (12 years old)
-Middelbareschool-
12 years until 16/17 years or older for the smart kids
Now you go to:
-MBO/HBO/University