Police officers rushed to the school, after receiving reports of a disturbance, at around 9.20am on Thursday, April 7.
Three teenage boys were then arrested and charged in connection with the incident.
A Police Scotland spokesperson confirmed that no injuries were reported.
A spokesperson for Edinburgh Council said: “An incident occurred in the school this morning which was dealt with swiftly by staff. Support is being offered to any young people who require it.
"Police Scotland were in attendance and are carrying out enquiries.”
