Strath Haven High School is a four-year public high school in Wallingford, Delaware County, Pennsylvania, enrolling about 1,200 students. SHHS is the only high school in the Wallingford-Swarthmore School District. The school exhibits particular excellence in its special education program, connections to a local college and technical schools, and strong music and football programs. As of 2020, the current principal is Greg Hilden.

Wallingford is an unincorporated community in Nether Providence Township, Delaware County, Pennsylvania, United States. Founded in 1687, it is named for Wallingford, England. In 2007, Wallingford was named by Money Magazine as the ninth best place to live in the United States; two other towns in the area made the top 15. Most locations in Nether Providence use Wallingford's ZIP code.