At the high school level, all students participate in the Marcus Marching Band during the majority of the fall semester. The Marching Band includes approximately 220 wind players, 30 percussionists, and 30 color guard members. The Marcus Marching Band serves as musical entertainment and support of the varsity football team at all games. In addition, the band prepares and performs a musical and visual program for marching competitions, including the UIL contests, Bands of America competitions, and others.