Collingswood High School is a four-year comprehensive public high school that serves students in ninth through twelfth grades from Collingswood in Camden County, New Jersey, United States. It is the sole secondary school of Collingswood Public Schools. As of the 2020–21 school year, the school had an enrollment of 747 students and 67.3 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.1:1. There were 253 students (33.9% of enrollment) eligible for free lunch and 40 (5.4% of students) eligible for reduced-cost lunch.