The orchestra, founded in April of 1996, is open to public, private, and home-schooled students across St. Charles County and the surrounding region. Currently, more than 100 young musicians, grades three through college, are members. There are four separate ensembles, grouped by instrument, age and skill level. The ensembles consist of the Symphony Strings, Symphony Winds and Percussion, Cadenza Strings, and Primo Strings. The Symphony Strings and Symphony Winds and Percussion perform together as the Symphony Orchestra.
Placement is by audition.