MDI Superintendent Speaks About Recent Lockdown At High School BAR HARBOR—While high schools around the state went on lockdown yesterday after false threats of school shootings, the MDI Regional School System is still recovering and learning from an event that happened at MDI High School November 1 after a severe and credible threat was received. At the MDI Regional School System’s (AOS 91 Board) Meeting … Continue reading Swatting Incidents Happened In Multiple Maine School Yesterday