The Duncanville Independent School District is proud to offer one of the most progressive band programs in the United States. The Duncanville High School Marching Band was awarded the "Sudler Shield of Honor" in 1997 as one of the outstanding marching bands in the U.S. The program has also been honored by the "John Philip Sousa Foundation" with the coveted "Sudler Flag of Honor" recognizing Duncanville as a Nationally Exemplary Band Program. Duncanville is one of very few programs worldwide to hold both Sudler Awards for high school band programs.
The Duncanville High School Wind Ensemble has been the Featured Performing Group at the Music Educators National Conference, the Midwest International Band and Orchestra Association in Chicago, and the All-Japan Band Directors Conference in Nemu-no-Sato in 1998. The Wind Ensemble has never earned less than a "Superior" rating in either UIL or invitational concert competition.
The Wind Ensemble has been the Region XX "Honor Band" every year since 1980 and has placed in the State Finals of Honor Band competition nine times culminating in their selection as the 1998, 2004, and 2008 TMEA AAAAA Honor Band. Duncanville is the only school in Texas to win three 5A Honor Bands. Reed and Byrd Middle Schools have placed in the State Finals of Honor Band Competitions a total of 14 times. Reed Middle School was the 2002 CCC TMEA Honor Band and Byrd was the 1982 CC; 2004 CCC; and 2008 CCC Honor Band. DHS and Byrd are the only 5A and CCC feeder school to win Honor Band together and the first to win together back-to-back!!
The Duncanville High School Bands paced the state in gold medals at the Interscholastic League State Competition for 18 years earning the coveted UIL State Sweepstakes Award for Class 5A. The award was discontinued in 1999. Duncanville High School is Texas' only Class 5A Band to earn all three State Championships.
The Duncanville High School Marching Band has been the UIL State Champion in 1986, 1990, and 2002 and is the only 5A band in Texas to advance to the State Marching Band Contest every year since 1988. The DHS Marching Band is the largest group ever to win a Texas State Marching Championship.