Monticello High School is located in Monticello, IL and is in Monticello Cusd 25. It is a public school that serves 555 students in grades 9-12. See Monticello High School's test results
to learn more about school performance.
In 2011, Monticello High School had 15 students for every full-time equivalent teacher. The Illinois average is 16 students per full-time equivalent teacher.