 In Bretzwil about 274 or (38.5%) of the population have completed non-mandatory upper secondary education, and 50 or (7.0%) have completed additional higher education (either university or a "Fachhochschule").Of the 50 who completed tertiary schooling, 84.0% were Swiss men, 14.0% were Swiss women., there was one student in Bretzwil who came from another municipality, while 57 residents attended schools outside the municipality.