Religion From the , 1,261 or 81.6% were Roman Catholic, while 92 or 6.0% belonged to the Swiss Reformed Church. Of the rest of the population, there were 10 members of an Orthodox church (or about 0.65% of the population), and there were 43 individuals (or about 2.78% of the population) who belonged to another Christian church. There were 2 individuals (or about 0.13% of the population) who were Jewish, and 32 (or about 2.07% of the population) who were Islamic. There was 1 individual who belonged to another church. 74 (or about 4.79% of the population) belonged to no church, are agnostic or atheist, and 51 individuals (or about 3.30% of the population) did not answer the question. Education In Gruyères about 456 or (29.5%) of the population have completed non-mandatory upper secondary education, and 155 or (10.0%) have completed additional higher education (either university or a Fachhochschule). Of the 155 who completed tertiary schooling, 61.9% were Swiss men, 24.5% were Swiss women, 10.3% were non-Swiss men and 3.2% were non-Swiss women. The Canton of Fribourg school system provides one year of non-obligatory Kindergarten, followed by six years of Primary school. This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude. Following the lower Secondary students may attend a three or four year optional upper Secondary school. The upper Secondary school is divided into gymnasium (university preparatory) and vocational programs. After they finish the upper Secondary program, students may choose to attend a Tertiary school or continue their apprenticeship. During the 2010-11 school year, there were a total of 240 students attending 18 classes in Gruyères. A total of 363 students from the municipality attended any school, either in the municipality or outside of it. There was one kindergarten class with a total of 17 students in the municipality. The municipality had 7 primary classes and 149 students. During the same year, there were 3 lower secondary classes with a total of 31 students. There were 2 vocational upper Secondary classes and were 5 upper Secondary classes, with 40 upper Secondary students and 3 vocational upper Secondary students The municipality had no non-university Tertiary classes, but there were 3 specialized Tertiary students who attended classes in another municipality. , there were 31 students in Gruyères who came from another municipality, while 109 residents attended schools outside the municipality.