Hill City High School is a member of the South Dakota High School Activities Association and competes in class "A". Because students helped to fight a wildfire that threatened the community in 1939, the school's mascot is Smokey Bear, and the fight song is Marines' Hymn. High School Boys compete in basketball, football, track and field, cross country, and wrestling. High School Girls compete in basketball, volleyball, cheerleading, track and field, cross country, and golf. The school also provides a choir, band, and theatre department.