 17 (or about 2.89% of the population) belonged to no church, are agnostic or atheist, and 8 individuals (or about 1.36% of the population) did not answer the question.In Sâles about 157 or (26.7%) of the population have completed non-mandatory upper secondary education, and 43 or (7.3%) have completed additional higher education (either university or a "Fachhochschule").Of the 43 who completed tertiary schooling, 76.7% were Swiss men, 20.9% were Swiss women.