The New York City Department of Education is the largest school system in the United States, with over 1.1 million students taught in more than 1,800 schools by 75,000+ teachers. The department covers all five boroughs of New York City. The department is run by the Panel for Educational Policy and New York City Schools Chancellor. The department is responsible for developing curriculum, hiring teachers, and administering standardized tests. The department also manages the city's public school buildings and transportation system.