Manchester Regional High School is a comprehensive, four-year public high school and regional school district serving students in ninth through twelfth grades from Haledon, North Haledon and Prospect Park, three communities in Passaic County, New Jersey, United States. As of the 2020–21 school year, the school had an enrollment of 802 students and 66.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.1:1. There were 371 students (46.3% of enrollment) eligible for free lunch and 42 (5.2% of students) eligible for reduced-cost lunch.