Charges have been laid against a 16-year-old in connection with an incident last week at Medway High School in Arva.
Middlesex OPP were called about a disturbance at the school on Medway Road shortly before noon last Friday.
No one was hurt and there was no risk to public safety in relation to the incident, police said.
A 16-year-old, who cannot be named because of their age, was arrested.
On Monday, police announced the teen has been charged with carrying a concealed weapon and possession of an imitation weapon for a dangerous purpose.
Police did not disclose what type of weapon was involved.
