Teaneck High School (known as The Castle on the Hill) is a four-year comprehensive public high school in Teaneck, in Bergen County, New Jersey, United States, serving students in ninth through twelfth grades as the lone secondary school of the Teaneck Public Schools. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1935. The school was renovated in 2003–04, giving students new classrooms as well as a new student center. Teaneck created two academies that focus on the sciences and the arts.