In Monthey about 11,432 or (34.2%) of the population have completed non-mandatory upper secondary education, and 3,151 or (9.4%) have completed additional higher education (either University or a Fachhochschule).
In Monthey, approximately 11,432 or 34.2% of the population have finished non-compulsory upper secondary education, while 3,151 or 9.4% have completed supplementary higher education (either university or Fachhochschule).