downingtown high school is a secondary school located in downingtown, pennsylvania and uwchlan township, pennsylvania. population growth in the burgeoning downingtown area school district forced the original downingtown high school to split into two campuses: downingtown high school east campus and downingtown high school west campus. while still legally considered one school, the two campuses (usually referred to simply as "east" or "west") are generally regarded as separate entities. while the west campus is located on the original high school's campus within downingtown, the east campus is actually located in lionville, the northern side of exton, pennsylvania.