St. Clair High School is located in St. Clair, MO and is one of 2 high schools in St. Clair R-xiii School District. It is a public school that serves 771 students in grades 9-12. See St. Clair High School's test results
to learn more about school performance.
In 2011, St. Clair High School had 15 students for every full-time equivalent teacher. The Missouri average is 14 students per full-time equivalent teacher.