With over 260 students, the Dulles Middle School Orchestra is one of the largest string programs in FBISD. DMS Orchestra has been recognized nationally and internationally winning awards throughout the years at many festivals and competitions. DMS Symphony orchestra was recognized at The Midwest Clinic International Band and Orchestra Concert in 2000 and 2009. They were also recognized as commended winners through The Foundation of Music Education for the last few years and Superior ratings with at the Directors Choice Festivals. Each year, the Orchestra program has made sweepstakes ratings at the FBISD UIL concert and sightreading contests.