Grapevine-Colleyville Independent School District (GCISD) is a public school district based in Grapevine, Texas, USA. The district serves most of the cities of Grapevine and Colleyville and includes small portions of Euless, Hurst, and Southlake. In addition to being in Tarrant County, the district extends into Dallas County, where it includes parts of Irving and Coppell. The district operates eleven elementary schools, four middle schools, and two traditional high schools, in addition to an early college high school and a virtual school.