Pen Argyl Area High School is a four-year public high school located in Pen Argyl, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania.

The school's athletic teams belong to the PIAA's District XI[3] and are a member of the Colonial League.

The two teams first met on the football field in 1920, with 2016 marking the 97th meeting between the Green Knights and the Slaters.

The Green Knights football team has their home games at Alumni Stadium, located on the high school campus.

Recently, the school refinished and updated their gymnasium floor with a new Green Knight design donated by the class of 2010.