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 Sc