The Western Band Association (WBA) is a nonprofit organization that promotes high school music education in California, Arizona and Nevada. Specifically, the WBA organizes many marching band competitions for high school students. Its championships event is considered to be the second-largest single marching contest in the country. In addition to marching band events, WBA also organizes concert band festivals, symposia, and musical and leadership clinics. In 2008, over 12,000 students in 133 bands performed in WBA events in multiple competitions hosted throughout the state.