Tri-County High School is located in Plainfield, WI and is in Tri-county Area School District. It is a public school that serves 220 students in grades 9-12. See Tri-County High School's test results
to learn more about school performance.
In 2011, Tri-County High School had 11 students for every full-time equivalent teacher. The Wisconsin average is 15 students per full-time equivalent teacher.