Northern High School is a midsized, suburban public high school located at 653 S Baltimore Street, Dillsburg, Pennsylvania.

It is part of the Northern York County School District.

According to the National Center for Education Statistics, in the 2018–2019 school year, Northern High School Administration reported an enrollment of 1,001 pupils in grades 9th through 12th.

[1] Northern High School students have access to a variety of clubs, activities and sports.

Northern High School provides a variety of traditional school activities: There is an extensive year round athletics program.