Police rushed to a school in Falkirk amid reports of a pupil being in possession of a knife.
Officers were alerted to the incident at Bo'ness Academy at around 10:30am and found the weapon in the school grounds.
A 16-year-old boy has been arrested and charged in connection with the incident.
A number of cops are reported to have been spotted at the scene.
No-one was injured as a result of the incident.
A Police Scotland spokesperson said: "A 16-year-old boy has been charged in connection with possession of an offensive weapon on a school premises in Boness, after officers attended a school at around 10.30am on Wednesday, 6 October, 2021.
"Nobody was injured as a result."
A Falkirk Council spokesperson said: "Police officers dealt with an incident in one of our schools today.
"We’d like to reassure parents/carers that there was no danger to any pupil or staff at any time."
