Haddonfield Memorial High School is a four-year comprehensive community public high school that serves students in ninth through twelfth grade from Haddonfield, in Camden County, New Jersey, United States, operating as the lone secondary school of the Haddonfield Public Schools. As of the 2020–21 school year, the school had an enrollment of 877 students and 89.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 9.9:1. There were 10 students (1.1% of enrollment) eligible for free lunch and 1 (0.1% of students) eligible for reduced-cost lunch.