Haddon Heights Junior/Senior High School
| Haddon Heights Junior/Senior High School | |
|---|---|
| Address | |
301 Second Avenue , , 08035 United States  | |
| Coordinates | 39°53′02″N 75°03′04″W / 39.884027°N 75.051153°W | 
| Information | |
| Type | Public middle school / high school | 
| Motto | "Where Tradition and Progress Meet" | 
| Established | c. 1898 | 
| NCES School ID | 340633001528 | 
| Principal | Warren Danenza | 
| Faculty | 80.0 FTEs | 
| Grades | 7 - 12 | 
| Enrollment | 942 (as of 2023–24) | 
| Student to teacher ratio | 11.8:1 | 
| Color(s) |   Garnet gold  | 
| Athletics conference | Colonial Conference (general) West Jersey Football League (football)  | 
| Team name | Garnets | 
| Rival | Haddonfield Memorial High School | 
| Newspaper | The Scribe | 
| Yearbook | Garneeteer | 
| Website | highschool | 
Haddon Heights Junior/Senior High School, previously known as Haddon Heights High School (HHHS), is a six-year comprehensive public middle school / high school that serves students in seventh through twelfth grades from Haddon Heights, in Camden County, in New Jersey, operating as part of the Haddon Heights School District. The school also serves students from the neighboring communities of Barrington, Lawnside and Merchantville (starting in the 2015–16 school year), who attend the high school for grades 9–12 as part of sending/receiving relationships.
As of the 2023–24 school year, the school had an enrollment of 942 students and 80.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.8:1. There were 143 students (15.2% of enrollment) eligible for free lunch and 32 (3.4% of students) eligible for reduced-cost lunch.