Henry Hudson Regional High School is a comprehensive regional public high school and school district which serves students in seventh through twelfth grades from both Atlantic Highlands and Highlands, two communities in Monmouth County, New Jersey, United States.As of the 2014-15 school year, the school had an enrollment of 312 students and 37.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 8.4:1. There were 60 students (19.2% of enrollment) eligible for free lunch and 13 (4.2% of students) eligible for reduced-cost lunch.The district is classified by the New Jersey Department of Education as being in District Factor Group "DE", the fifth-highest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.