 92 (or about 4.35% of the population) belonged to no church, are agnostic or atheist, and 55 individuals (or about 2.60% of the population) did not answer the question.In Ueberstorf about 854 or (40.4%) of the population have completed non-mandatory upper secondary education, and 251 or (11.9%) have completed additional higher education (either university or a "Fachhochschule").Of the 251 who completed tertiary schooling, 75.7% were Swiss men, 19.5% were Swiss women, 3.2% were non-Swiss men.