In addition to her theatre work, Brittany was also a member of the Leander High School Color Guard during high school under the direction of Robert Selaiden (Marching Band Director) & Will Callaway (Color Guard Director). Brittany would compete alongside her teammates in the marching band and color guard at many competitions.

During her time in the program, Leander Band and Color Guard won a few awards:

1st place at the Texas Music Classic in 2014, 3rd Place at the Texas Color Guard Circuit JV Championships in 2015, 1st place at the Bands of America Austin Regional in 2015, 3rd place at the University Interscholastic League Marching Band State Championships in 2015, 2nd place at the Texas Color Guard Circuit JV Championships in 2016, 1st place in class 3A during Semi-Finals and 6th place during Finals at the Bands of America Grand National Championships in 2016 (and a few other awards).

Brittany also acted as one of two JV Color Guard leaders during the 2016 Winter Guard season and made rifle line for that season.