Garland Independent School District is a public school district with its headquarters in the Harris Hill Administration Building in Garland, Texas (USA).Garland ISD extends from the Dallas city limits, northeast to the county line and serves parts of the communities of Garland, Rowlett, and Sachse. A small portion of Dallas, Wylie and Richardson are served by Garland ISD.The district encompasses approximately 100sqmi. With a student enrollment of 56,459 students, GISD is currently the fourth largest school district in the Dallas-Fort Worth Metroplex, and is thirteenth largest district in the state of Texas. Garland High School, the district's first high school, is more than one hundred years old.In 2009, the school district was rated "academically acceptable" by the Texas Education Agency.
