The Smithville R-II School District offers a wide variety of extracurricular and co-curricular activities for students at various grade levels. High School athletic activities include football, cross country, soccer, softball, volleyball, golf, wrestling, basketball, baseball, and track. Smithville High School is a member of the Midland Empire Conference, which also includes St. Joseph Benton High School, St. Joseph Lafayette High School, St. Joseph Bishop LeBlond High School, Savannah High School, Maryville High School, Cameron High School, and Chillicothe High School. Middle School athletic activities include volleyball, football, basketball, wrestling, and track. Additionally, the district offers competitive opportunities in such areas as vocal music, instrumental music, cheerleading, Pom Pon, Academic Bowl, speech and debate, and competitions in various academic areas. A wide variety of extracurricular and co-curricular clubs and organizations are provided at both the high school and middle school levels. A complete listing of extracurricular and co-curricular activities can be accessed through the High School and Middle School pages of the school district website.