Manalapan High School is a comprehensive four-year public high school located in Manalapan Township, in Monmouth County, New Jersey, United States, operating as part of the Freehold Regional High School District. The school serves students in ninth through twelfth grades from all of Englishtown (which is the school's mailing address) and portions of Manalapan. The Freehold Regional High School District also serves students from Colts Neck Township, Farmingdale, Freehold Borough, Freehold Township, Howell Township, and Marlboro Township. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Elementary and Secondary Schools since 1975.