Students in ninth through twelfth grades attend Northern Valley Regional High School at Demarest in Demarest, together with students from Demarest and Haworth. The high school is part of the Northern Valley Regional High School District, which also serves students from Harrington Park, Northvale, Norwood and Old Tappan. During the 1994-96 school years, Northern Valley Regional High School at Demarest was awarded the Blue Ribbon School Award of Excellence by the United States Department of Education. As of the 2017–18 school year, the high school had an enrollment of 1,018 students and 91.6 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.1:1. Local students had attended Closter High School until Northern Valley Regional High School at Demarest opened in 1955, whereupon the Closter school was closed.