 21 (or about 6.58% of the population) belonged to no church, are agnostic or atheist, and 3 individuals (or about 0.94% of the population) did not answer the question.In Saint-Luc about 120 or (37.6%) of the population have completed non-mandatory upper secondary education, and 47 or (14.7%) have completed additional higher education (either University or a "Fachhochschule").Of the 47 who completed tertiary schooling, 48.9% were Swiss men, 31.9% were Swiss women, 14.9% were non-Swiss men.