
Extract the answer to the question from the following context.
Question: Where might you find a child of the age 15 during a typical school day in Finland before schools were combined?
Context: Finland has used comprehensive schools since the 1970s, in the sense that everyone is expected to complete the nine grades of peruskoulu, from the age 7 to 16. The division to lower comprehensive school (grades 1–6, ala-aste, alakoulu) and upper comprehensive school (grades 7–9, yläaste, yläkoulu) has been discontinued.

upper comprehensive school
