The Washington High School Symphony Orchestra is the premiere string performing ensemble consisting of students grades 10-12. Students in the Symphony Orchestra give 10 performances per school year. Students from the Symphony Orchestra are frequently participants of the All-State Music Festival, NEISTA, ISTA, the Metropolitan Festival, the All-City Music Contest, and State Solo & Ensemble Festival. The Symphony ensemble performs as both a Symphony-String ensemble and combines with wind and percussion players to create a Full Symphony.