Maybe you should reconsider why you struggle to believe that school shootings are actually extremely rare freak events. It’s likely because the media sensationalizes them and acts like they are a much larger problem than they really are in order to promote gun control.
In 2023 there were 14 deaths from mass school shootings.
https://en.wikipedia.org/wiki/List_of_mass_shootings_in_the_United_States_in_2023
In 2022 there were 28 deaths from mass school shootings.
https://en.wikipedia.org/wiki/List_of_mass_shootings_in_the_United_States_in_2022
444 over 15 years is 29 a year
https://www.cdc.gov/disasters/lightning/victimdata.html
Maybe you should reconsider why you struggle to believe that school shootings are actually extremely rare freak events. It’s likely because the media sensationalizes them and acts like they are a much larger problem than they really are in order to promote gun control.