[2] Tri-County Middle-Senior High School's athletic teams are the Cavaliers and they compete in 1A class sports and formerly in the Hoosier Heartland Conference.

They will rejoin with the Midwest Athletic Conference (IHSAA) in the 2018 school year.

[needs update] The school offers a wide range of athletics including: FFA chapter was #1 in the state for the year 2000.

In 2017, member Blayne Vandeveer won the National FFA Creed speaking contest.

The chapter has had numerous members compete at the national level in contests including Agriscience, Agricultural Issues, Marketing, and Veterinary Science.