Haddon Township High School is a four-year comprehensive community public high school serving students in ninth through twelfth grades, located in Haddon Township, in Camden County, New Jersey, United States, operating as the lone secondary school of the Haddon Township School District. The school offers courses in math, science, languages, humanities and various vocational skills. It also offers athletics and after-school clubs and organizations. The school follows a quarter-semester system, uses a 5-point GPA scale, and offers Advanced Placement and Honors courses, both of which use a weighted average grading system.