Denmark
In Denmark, 9 years of primary school (Folkeskole) are compulsory.
Kindergarten (optional): 5–6 years
- 0th grade: 5-7 years
- 1st grade: 6–8 years
- 2nd grade: 7–9 years
- 3rd grade: 8-10 years
- 4th grade: 9–11 years
- 5th grade: 10–12 years
- 6th grade: 11–13 years
- 7th grade: 12–14 years
- 8th grade: 13–15 years
- 9th grade: 14–16 years
10th grade (optional): 15–18 years
Read more about this topic: Primary Education