Marlboro High School is a four-year comprehensive public high school located in Marlboro Township, in Monmouth County, New Jersey, United States, serving students in ninth through twelfth grades as one of the six secondary schools of the Freehold Regional High School District (FRHSD). The school serves students from portions of Marlboro Township. Marlboro High School hosts the Business Administration Learning Center, a selective magnet program offered within FRHSD, so there are students attending Marlboro High School from across the county. Students that are a part of the Business Administration Learning Center take advanced classes that are more in-depth than regular classes. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 1974.Marlboro High School opened in 1968 and served all students from Colts Neck Township until Colts Neck High School opened in 1998. Students at Marlboro High School all come from Marlboro Township, with other students from Marlboro attending Colts Neck High School. The Freehold Regional High School District serves students from Colts Neck Township, Englishtown, Farmingdale, Freehold Borough, Freehold Township, Howell Township, Manalapan Township and Marlboro Township.
