During the 2011-12 school year, there were a total of 56 students attending classes in Niedermuhlern. There was one kindergarten class with a total of 8 students in the municipality. Of the kindergarten students, 12.5% were permanent or temporary residents of Switzerland (not citizens). The municipality had one primary class and 25 students. During the same year, there were 2 lower secondary classes with a total of 23 students. There were 4.3% who were permanent or temporary residents of Switzerland (not citizens) and 4.3% have a different mother language than the classroom language.