Periods and Final Weeks

Periods and final weeks in school years 2025-2026

The upper secondary school year is divided into five periods, each of which has its own timetable. The period's last eight working days are called the final week.

1st period: 6.8.-26.9.2025 and final week 17.9.-26.9.
2nd period: 29.9.-25.11.2025 and final week 14.11.-25.11.
3rd period: 26.11.2025-3.2.2026 and final week 22.1.-3.2.
4th period: 4.2.-2.4.2026 and final week 24.3.-2.4.
5th period: 7.4.-30.5.2026 and final week 19.5.-28.5.

There may be slight variations in working days, depending on the school, for example because of individual Saturday working days. 

City of Oulu comprehensive and upper secondary school terms and holidays in school year 2025-2026