During the 2012-13 school year, there were a total of 97 students attending classes in Attiswil. There were a total of 23 students in the German language kindergarten classes in the municipality. Of the kindergarten students, 8.7% were permanent or temporary residents of Switzerland (not citizens) and 13.0% have a different mother language than the classroom language. The municipality's primary school had 74 students in German language classes. Of the primary students, 6.8% were permanent or temporary residents of Switzerland (not citizens) and 9.5% have a different mother language than the classroom language.