North Arlington High School is a public high school in North Arlington, Bergen County, New Jersey, United States. It is the lone secondary school of the North Arlington School District. As of the 2020–21 school year, the school had an enrollment of 548 students and 44.2 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.4:1. There were 99 students (18.1% of enrollment) eligible for free lunch and 27 (4.9% of students) eligible for reduced-cost lunch.