Lewisville Independent School District (LISD) is a 127-square mile school district based in Lewisville, Texas (USA) covering all of Lewisville, The Colony, Highland Village, Double Oak, and Copper Canyon, as well as portions of Flower Mound, Carrollton, Frisco, Plano, Argyle, Coppell, Grapevine, and Hebron.

Lewisville is a city in the U.S. state of Texas, located in Denton County with portions extending into Dallas County. As one of the Mid-Cities within the Dallas–Fort Worth metroplex, the 2020 census reported a population of 111,822.