From the , 182 or 62.8% were Roman Catholic, while 53 or 18.3% belonged to the Swiss Reformed Church. There are 49 individuals (or about 16.90% of the population) who belong to another church (not listed on the census), and 6 individuals (or about 2.07% of the population) did not answer the question. The entire Swiss population is generally well educated. In Astano about 69.7% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule"). In Astano there were a total of 35 students (). The Ticino education system provides up to three years of non-mandatory kindergarten and in Astano there were 5 children in kindergarten. The primary school program lasts for five years. In the municipality, 14 students attended the standard primary schools. In the lower secondary school system, students either attend a two-year middle school followed by a two-year pre-apprenticeship or they attend a four-year program to prepare for higher education. There were 8 students in the two-year middle school, while 4 students were in the four-year advanced program. The upper secondary school includes several options, but at the end of the upper secondary program, a student will be prepared to enter a trade or to continue on to a university or college. In Ticino, vocational students may either attend school while working on their internship or apprenticeship (which takes three or four years) or may attend school followed by an internship or apprenticeship (which takes one year as a full-time student or one and a half to two years as a part-time student). There were 2 vocational students who were attending school full-time and 2 who attend part-time.  , there were 40 students from Astano who attended schools outside the municipality.