The Mustang Band is the top marching ensemble at GHS consisting of approximately 140 members in all four grades. It is the largest and most recognized performing group at Grapevine High School.  Personnel for the Competition Band is selected during band camp each Fall. All members of the Marching Band perform at the halftime show of all football games. Members of the Competition Band regularly participate in Marching Competitions. Membership in the marching band is required for all GHS band members.