Southern California School Band and Orchestra Association

The Southern California School Band and Orchestra Association (SCSBOA) provides a number of services for elementary through college level instrumental music groups in Southern California, including providing clinics for educators and students and hosting festivals for soloists and ensembles, including marching band competitions. == Honor ensembles == The SCSBOA honor groups for elementary through high school students are prestigious music groups which students audition for.

Source: Wikipedia — Southern California School Band and Orchestra Association (CC BY-SA 4.0)