It is composed of four orchestras, a chamber music department, musicianship classes, and offers private lessons in piano, guitar, and all orchestral instruments.
Some of COS's past guest artists include: Emanuel Ax, Sarah Chang, Jaime Laredo, Cecile Licad, Yo-Yo Ma, Paula Robison, David Shifrin, and Cho-Liang Lin.
The Young Symphonic Ensemble (YSE) had also toured in numerous cities in North America, the Far East, and the United Kingdom, including performances in Scotland, the Philippines, Taiwan, and Toronto.
In 2007, COS made its Carnegie Hall Debut with guest artists Jaime Laredo and Sharon Robinson.
Membership fees are kept below the actual costs of the organization's operation, and scholarships are available for exceptional young musicians who require financial assistance.