Northern Lebanon High School is a high school in Fredericksburg, Pennsylvania.

In the 2018–2019 school year, there were 674 students grades 9th through 12th.

[1] The building also contains the Northern Lebanon School District's middle school, grades 6, 7, and 8.

The school's mascot is a Viking.

[2] Northern Lebanon High School students have access to a variety of clubs, an honor society, multiple activities and an extensive sports program.