Lower Dauphin High School is a midsized, suburban, public high school located in Hummelstown, Pennsylvania. It is part of the Lower Dauphin School District, serving Hummelstown, East Hanover, South Hanover, Londonderry Township, and Conewago Township. In 2013, enrollment was reported as 1,176 pupils in 9th through 12th grades, with 13% of pupils eligible for a free lunch due to the family meeting the federal poverty level.