Washington Township High School (New Jersey)

Washington Township High School is a four-year public high school located in Washington Township, in Gloucester County, in the U.S. state of New Jersey. The school serves students in ninth through twelfth grades as the lone secondary school of the Washington Township Public School District. It is one of the largest public high schools in South Jersey. The school building itself is just over a quarter of a mile long. It is located at 509, 519 and 529 Hurffville-Cross Keys Road.

As of the 2023–24 school year, the school had an enrollment of 2,108 students and 167.2 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.6:1. There were 331 students (15.7% of enrollment) eligible for free lunch and 83 (3.9% of students) eligible for reduced-cost lunch.

Washington Township High School is the home of the Republic Bank Performing Arts Center, known until 2022 as the Investors Bank Performing Arts Center, a 2,500-seat performing arts center located at the center of the school. Most of the school's concerts and events are held there, and many notables have performed in this center, including the Barenaked Ladies, Tony Bennett, Wayne Brady, George Carlin, David Copperfield, Bill Cosby, B. B. King, Barry Manilow, Willie Nelson, Kenny Rogers, Jessica Simpson, Lewis Black, Pete Davidson, and "Weird Al" Yankovic.