Linden High School is a comprehensive community public high school located in Linden in Union County, New Jersey, United States, serving students in ninth through twelfth grades as the lone secondary school of the Linden Public Schools. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1928. Linden High School has been an IB World School since July 2001, offering students the IB Diploma Programme.