 18 (or about 7.86% of the population) belonged to no church, are agnostic or atheist, and 3 individuals (or about 1.31% of the population) did not answer the question.In Crésuz about 85 or (37.1%) of the population have completed non-mandatory upper secondary education, and 41 or (17.9%) have completed additional higher education (either university or a "Fachhochschule").Of the 41 who completed tertiary schooling, 48.8% were Swiss men, 24.4% were Swiss women, 19.5% were non-Swiss men.