During the 2009-10 school year, there were a total of 107 students attending classes in Diessbach bei Büren. There was one kindergarten class with a total of 19 students in the municipality. Of the kindergarten students, 10.5% were permanent or temporary residents of Switzerland (not citizens) and 5.3% have a different mother language than the classroom language. The municipality had 4 primary classes and 72 students. During the same year, there was one lower secondary class with a total of 16 students.