Tashawn Carter was taken into custody on Wednesday afternoon following an investigation into reports of a weapon that was found at the Langston High School Continuation Program, where there was an alarm.
Police say that a school administrator located a firearm in Carter's possession, prompting a temporary lockdown while responding officers investigated.
The Arlington native was taken into custody without incident and charged with possession of a weapon on school property and carrying a concealed weapon. He was being held without bond as of Thursday afternoon.
Want breaking news in the DMV as it happens, or want to contribute? Join the DMV All Incidents Facebook group.
Click here to follow Daily Voice Ashburn and receive free news updates.