During the 2012-13 school year, there were a total of 56 students attending classes in Heiligenschwendi. There were a total of 12 students in the German language kindergarten classes in the municipality. Of the kindergarten students, 8.3% have a different mother language than the classroom language. The municipality's primary school had 32 students in German language classes. Of the primary students, 3.1% were permanent or temporary residents of Switzerland (not citizens) and 6.3% have a different mother language than the classroom language. During the same year, the lower secondary schools in neighboring municipalities had a total of 12 students from Heiligenschwendi.