Hawthorne High School is a four-year comprehensive public high school that serves students in 9th through twelfth grades from Hawthorne, in Passaic County, in the U.S. state of New Jersey. The school operates as the lone secondary school of the Hawthorne Public Schools.

As of the 2024–25 school year, the school had an enrollment of 569 students and 52.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.8:1. There were 195 students (34.3% of enrollment) eligible for free lunch and 47 (8.3% of students) eligible for reduced-cost lunch.