Fair Lawn High School is a four-year comprehensive public high school serving students in ninth through twelfth grades, located in Fair Lawn, Bergen County, New Jersey, United States, operating as the lone secondary school of the Fair Lawn Public Schools. As of the 2020–21 school year, the school had an enrollment of 1,552 students and 116.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.3:1. There were 149 students (9.6% of enrollment) eligible for free lunch and 40 (2.6% of students) eligible for reduced-cost lunch.