Penn Manor High School is a large, rural/suburban, public secondary school located in Millersville, Pennsylvania, United States. It is the sole high school operated by the Penn Manor School District. In the 2018–2019 school year, enrollment was reported as 1,636 pupils in 9th through 12th grades. In 2011 Penn Manor School District was recognized as a School of Excellence in Technology by the Pennsylvania School Boards Association.