Parents of students at Southern School of Energy and Sustainability are upset after a firearm and ammunition were found on campus.
School leaders say the buildings are unsafe for students and staff until repairs are completed.
A teen found with a gun on campus was arrested in Garner. In Moore County, a report of a shooter proved unfounded.
Officials said law enforcement officers are sweeping the school.
"If you guys would see the footage, not even an animal gets treated that way," the boy's mother said.
Law enforcement officers conducted a search of the Durham school and found "no credible threat."