C1 , C2 finnish courses

[Dianora]

I m looking for finnish language courses on the C1 or C2 proficienci level in the Helsinki area.
For now i found only a cupple of courses at the Helsinki aikuislukio.

Is there any other school or institution that offers them?

I checked at the helsinki työväenopisto and vantaa aikuislukio but they don´t have courses at that level.