Wallkill Valley Regional High School is a four-year public high school and regional school district serving students in ninth through twelfth grades from four municipalities in Sussex County, New Jersey, United States. The school is located in Hardyston, approximately 40 miles (64 km) northwest of New York City. The school has four Assistant Principals and 70 certified full and part-time faculty members, of which 64% hold a master's degree.