Marching band
Irvington's marching band was composed of approximately 186 members during the year of 2013–2014 and has been steadily growing. During the 2014–2015 season, the band consisted of almost 250 members. In 2005, the marching band won first place in the Division B competition at the Tournament of Champions at Lincoln High School in Stockton. The color guard also took first place at Lincoln as well as at the 35th Annual Santa Cruz Band Review. In 2006, the marching band and color guard took second place for Division B at Lincoln. In 2007, the marching band and color guard took second place again for Division B at Lincoln, and the drum major placed 3rd in the Mace category. Irvington finished the 2009 season capturing first place in Marching Band, first place in Concert Band (wind ensemble), and third place overall in Drumline at the Tournament of Champions at Lincoln High School in Stockton. In 2011, the marching band and color guard took sweepstakes in three of four categories competing in Division AA including music, showmanship, and overall parade. The color guard took first place in Division AA, and the drum major placed 2nd in the Mace category. The 2011 accomplishments at the Lincoln Tournament of Champions were the highest ever achieved by the Irvington marching band and color guard in the history of Irvington. In 2012, Irvington also took sweepstakes at the Feste Del Mar Band Review, with a score of 92.6. In 2012, the color guard also took sweepstakes at the Tournament of Champions at Lincoln High School in Stockton, and in 2014, the marching band took parade sweepstakes with a score of 92.55, beating Golden Valley, who are well known for their marching band and consistently place highly at band reviews. Owing to a large number of students in the marching band, it was split into two, JV and varsity, with auditions required to join varsity. At the 2017 Lincoln Band Review varsity marching band received music and overall sweepstakes. At the 2018 Santa Cruz Boardwalk band review Varsity Marching band earned overall and music sweepstakes.