New Providence High School is a comprehensive public high school in the borough of New Providence, in Union County, United States, operating as the lone secondary school in the New Providence School District, serving students in ninth through twelfth grades. New Providence High School opened on September 8, 1958, with its first graduating class on June 23, 1960. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1965 and received probationary accreditation in 2012. The school opened on September 8, 1958, and had its first graduating class of seniors in June 1960.