Last month was the first March without a school shooting in the United States since 2002.

And it came damn close in March 2002. One of a handful of close calls that month:

A number of people have pointed out that the Wiki page for school shootings does not have March shootings in multiple years. This is true! It’s also true that you should never treat Wikipedia as a primary source.

These resources are slightly more comprehensive...

National School Safety Center, 2010: https://files.eric.ed.gov/fulltext/ED519244.pdf

National School Safety and Security Services archives: https://www.schoolsecurity.org/trends/violent-deaths-and-school-shootings/

Everytown (advocacy site, but lists sources comprehensively): https://everytownresearch.org 

Nah fam. It coincided with schools not being open to students. https://twitter.com/chlorophyll_dui/status/1249750635093909507?s=21 https://twitter.com/chlorophyll_dui/status/1249750635093909507