Band The Legacy High School marching band was the CBA State Marching Band champion in 2006, 2007, 2008, 2009, 2010, 2011, 2014, 2015, 2016, 2017, and 2021 for class 5A, tied with Pomona High School for the record of most CBA State Marching Band Championship titles with 11. The Legacy Marching band was the silver medalist for the CBA State Marching Band State Championships in 2012, 2013, 2018, 2019, 2022, 2023, 2024, and 2025. The Legacy Marching Band has been a state finalist every year of competition since the band started competition one year after the school opened. The Legacy Marching Band performed in the 2015
Rose Parade in
Pasadena, California on New Year's Day. In March 2018, the Legacy Marching Band performed in Dublin's St. Patrick's Day Festival and was awarded 'Best Overall Band', beating out over ten other competing bands. The Legacy Marching Band returned to march in the 2025 Dublin St. Patrick's Day Festival, where it received the “Best Junior Band (High School Band) Performance” award. ==Notable alumni==