The Peddie School is a college preparatory school in Hightstown, in Mercer County, New Jersey, United States. It is a non-denominational, coeducational boarding school located on a 280-acre (110 ha) campus, and serves students in the ninth through twelfth grades, plus a small post-graduate class. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1928. Peter Quinn succeeded John Green as head of school in 2013.