Haddon Heights High School, also called Haddon Heights Junior/Senior High School, is a four-year comprehensive public middle school / high school that serves students in seventh through twelfth grades from Haddon Heights, in Camden County, New Jersey, United States, operating as part of the Haddon Heights School District. The school also serves students from the neighboring communities of Barrington and Lawnside who attend the high school for grades 9-12 as part of sending/receiving relationships.