Elizabeth High School, is a four-year public high school located in Elizabeth, in Union County, in the U.S. state of New Jersey, serving students in ninth through twelfth grades as part of the Elizabeth Public Schools. In 2009, the school and its more than 5,000 students was split into six separate houses, each operating as an independent school with its own principal and subject of focus, including one which has retained the Elizabeth High School name. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1978.