Duncanville High School is a secondary school located in Duncanville, Texas, United States. The school is a part of Duncanville Independent School District.The school includes grades 9 through 12. Duncanville High School reported an enrollment of 4,008 students to the University Interscholastic League (UIL) for the 2012-2014 realignment. The high school campus is the second largest in the nation in terms of campus size. The school principal is Andre Smith, and the associate principals are Flora Judd and Sandro Garcia. The school serves most of the city of Duncanville, as well as a portions of Cedar Hill, DeSoto, and a small portion of southwest Dallas.In 2015, the school was rated "Met Standard" by the Texas Education Agency.HistoryDuncanville High School held its first accredited graduating class in 1936. Classes moved in 1954 to a new location, now Reed Middle School. Eleven years later, it moved to its current location. Construction started on Sandra Meadows Memorial Arena in 2003. A new classroom wing was added, along with major renovations, in 2004.CampusDuncanville High School is the second largest high school campus in the United States. The 863137sqft campus is more than twice as large as the nearby Mountain View College, and it is over the size of four combined Wal-Mart Supercenters.