Dahmere White of Wilmington is being held at the New Castle County Detention Center on $80,500 cash bail
The incident occurred on Tuesday at approximately 1:53 p.m. at the John Dickinson High School on the 1800 block of Milltown Road in Milltown.
School officials received a tip that a male student was possibly in possession of a handgun, concealed in his backpack.
They notified a Delaware State Trooper who was working as a school resource officer.
The Trooper and school staff were able to locate the student, later identified as Dahmere White, in a first floor classroom while class was in session.
The Trooper entered the classroom and took possession of the backpack located on the seat of the desk where White had been located.
White immediately fled on foot down the main hallway and exited the school fleeing into a wooded area.
Police searched the backpack and discovered a fully loaded Kel-Tec 9mm Luger semiautomatic handgun with the serial number obliterated.
At approximately 2:35 p.m. White was located by Troopers on Tapley Lane in the development of Limestone Acres, where he was taken into custody without incident.
Police say there were no threats made to students or staff.
Red Clay School District officials commended the quick thinking of school staff.
Police say further investigation and interviews revealed that White was a convicted felon and prohibited from possessing a firearm.
Dahmere White was charged with Possession of a Firearm by a Person Prohibited with a Prior Felony, Carrying a Concealed Deadly Weapon a Firearm, Possession of a Weapon in a Safe School Zone, Resisting Arrest, and related offenses.
Troopers continue to investigate the circumstances surrounding this incident.