sentences:  80 (or about 5.43% of the population) belonged to no church, are agnostic or atheist, and 32 individuals (or about 2.17% of the population) did not answer the question.In Grolley about 536 or (36.4%) of the population have completed non-mandatory upper secondary education, and 189 or (12.8%) have completed additional higher education (either university or a "Fachhochschule").Of the 189 who completed tertiary schooling, 70.9% were Swiss men, 21.7% were Swiss women, 4.8% were non-Swiss men and 2.6% were non-Swiss women.