I guess the biggest school massacre was not done by a gun, so right there all the " we want to take all your guns so we can murder all of you for political reasons " types are dead in the wrong on this anti freedom gun grabbing issue.
Bath School disaster
Bath Consolidated School before the bombing.
Location Bath Township, Michigan, U.S.
Date May 18, 1927
Target Bath Consolidated School, house, farm, and wife
Attack type
School bombing, mass murder, murder-suicide, suicide truck bombing, arson
Weapons Dynamite, Pyrotol, firebombs, Winchester Model 54 rifle
Deaths 45 total – 44 at the school (including perpetrator),
1 at the perpetrator's house
Non-fatal injuries
58
Perpetrator Andrew P. Kehoe
Motive Revenge for defeat in local election, personal and financial stress
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 six adults and injured at least 58 other people.[Note 1] Kehoe killed his wife and firebombed his farm, then detonated an explosion in the Bath Consolidated School before committing suicide by detonating a final device in his truck.
https://en.wikipedia.org/wiki/Bath_School_disaster