Who committed the deadliest school massacre in United States history in 1927?
Bath Consolidated School:  This was the deadliest act of mass murder in a school in U.S. history. Bath School disaster: The Bath School disaster, sometimes known as the Bath School massacre, was a series of violent attacks perpetrated by Andrew Kehoe on May 18, 1927 in Bath Township, Michigan, which killed 38 elementary schoolchildren and 6 adults and injured at least 58 other people.
i don't know