During the 2010-11 school year, there were a total of 43 students attending 3 classes in Gletterens. A total of 95 students from the municipality attended any school, either in the municipality or outside of it. There was one kindergarten class with a total of 11 students in the municipality. The municipality had 2 primary classes and 32 students. During the same year, there were no lower secondary classes in the municipality, but 29 students attended lower secondary school in a neighboring municipality. There were no upper Secondary classes or vocational classes, but there were 7 upper Secondary vocational students who attended classes in another municipality. The municipality had no non-university Tertiary classes, but there were 2 non-university Tertiary students and 2 specialized Tertiary students who attended classes in another municipality.