- The Marietta Blue Devil Marching Band is the spirit of our overall program. The band marches 100+ and is growing each year. The Marietta Blue Devil Marching Band is the most visible part of our band program playing at every football game, several community parades, and performing intricate marching shows at several competitions throughout the fall.
- In 2016 the band won Grand Champions of the Brevis Division of the 2nd Annual St. Pius X marching invitational in Decatur, GA.
- Colorguard & Winterguard: A part of our marching program is our fabulous Guard program. The Colorguard marches as part of the Marching band in the fall adding artistic pageantry and visual effect to the music played by the band. Our winter guard has grown to three groups offering opportunities for visual and musical excellence to students 6-12th grade.
- In 2017 the Varsity Guard won 1st place at SAPA Championships, Novice Class in Chattanooga, TN.