Unable to go back far enough on HRC twitter for some reason, but here is Bill

Bill Clinton's Twitter

Format: (School Name)(Date,Year)(Casualities)(Did he tweet about it)

MarjoryStonemanDouglas-Feb14,2018-17-NO

UCC-Oct1,2015-9-NO

Marysville-Oct24,2014-4-NO

IslaVista-May23,2014-6-NO

SantaMonica-June7,2013-5-NO