The school's song is "KM Fight" and is sung to the tune "Washington and Lee Swing".

Extracurricular Activities KMHS belongs to the Hiawatha Valley League Conference for all sports except football.

KMHS belongs to the Minnesota State High School League for tournament play.

KMHS offers band, choir, knowledge bowl, robotics, drama and cheerleading programs.

In the fall of 2017 a community approved expansion was completed that added a magnificent commons area, new classrooms for S.T.E.M.