Susquehanna Township High School (STHS) is a mid-sized, public high school located in Harrisburg, Pennsylvania serving students from Susquehanna Township.

The school provides grades 9 through 12.

In the 2021–22 school year, the school had 758 pupils.

[1] Susquehanna Township School District offers a wide variety of clubs, activities and an extensive competitive sports program.

According to the PIAA directory in October 2023,[2] the district funds: