Пост в Vaasa, Ostrobothnia, Finland

Hi, my name is matilde from italy, my younger brother would like to go abroad for his 4th year of highscool and is really interested in finland culture, life and education sistem. I would like to make this possible but using international exchange companies seems too expensive for me to support his studying. do you know any No profit organisation that helps international highschool students to find a school and a host family in finland? I would really appreciate any help of yours. Thank you very much! Good life and keep exchanging ;))