At the secondary level, students are divided according to performance. The secondary level begins at about age 12 and usually lasts 3 years. There were 102 teenagers who were in the advanced school, of which 55 or 53.9% were female, 3 or 2.9% were not Swiss citizens. There were 57 teenagers who were in the standard school, of which 26 or 45.6% were female, 5 or 8.8% were not Swiss citizens and 4 or 7.0% did not speak German natively. The average class size for all classes at the secondary level was 17.67 students.