For the 2013–2014 school year, the school offered 25 activities approved by the Missouri State High School Activities Association (MSHSAA): baseball, boys and girls basketball, sideline cheerleading, boys and girls cross country, dance team, 11-man football, boys and girls golf, music activities, boys and girls soccer, softball, speech and debate, boys and girls swimming and diving, boys and girls tennis, boys and girls track and field, boys and girls volleyball, and wrestling.[5] In addition to its MSHSAA-sanctioned activities, the school offers students an opportunity to participate in a variety of school-sponsored clubs. The school also maintains the only fully operational high school radio station in Missouri.[3]
Ritenour students have won several state championships,[6] including: