Tustin Unified School District was created from the 1972 voter-approved unification of the Tustin Elementary School District and the Tustin Union High School District. It is located in Tustin, a city in Orange County, California, United States. Its district territory comprises the cities of Tustin, North Tustin, and the western part of Irvine. It has 18 elementary schools, five middle schools, four high schools, one K-8 school, and one adult school.HistoryIn the 1860s, Columbus Tustin bought 839acre of land to found the city of Tustin. In 1872, he built a schoolhouse and donated to the community, founding what was then called the Sycamore School District. In 1889, the district was renamed the Tustin School District. In 1922, Tustin Union High School opened separately, finally merging with the Tustin School district in 1972 to create the Tustin Unified School District.Elementary schoolsArroyo Elementary SchoolBarbara Benson Elementary SchoolBenjamin Beswick Elementary SchoolHelen Estock Elementary SchoolGuin Foss Elementary SchoolRobert Heideman Elementary SchoolHeritage Elementary SchoolHicks Canyon Elementary SchoolLadera Elementary SchoolLoma Vista Elementary School Myford Elementary SchoolW.R. Nelson Elementary SchoolPeters Canyon Elementary SchoolRed Hill Elementary School (Tustin)Jeane Thorman Elementary SchoolTustin Memorial AcademyTustin Ranch Elementary SchoolMarjorie Veeh Elementary School