The incident occurred in April 2024, when the student was in seventh grade.
According to the lawsuit, school officials failed to protect the victim despite multiple warnings from students and parents about threats and a "hit list" naming potential victims.
READ MORE: Montgomery County parents outraged after middle school student attacked with Stanley cup
Police say surveillance video captured the student being struck in the head with a Stanley cup inside the school cafeteria. The injuries were severe enough to require staples.
"The North Penn School District is aware of a recently filed civil lawsuit relating to an incident that occurred at one of our middle schools in April of 2024," the district said in a statement. "It is not the practice of the district to provide comment on active litigation regarding student matters. We are respectful of the legal process and expect that future proceedings will address any of the allegations that are in dispute."
The accused student was arrested following the incident.