These school shootings make the case for more arms, not less. In Russia, a shooter might come up against children who are themselves armed. Russia believes children should have the right to protect themselves, too. And since school children are being targeted, it makes sense to train those old enough to protect themselves and their schools.
http://www.whatdoesitmean.com/index2497.htm
https://www.express.co.uk/news/world/466582/Putin-s-Tiny-Army-Russian-children-taught-to-use-guns-and-combat-skills-in-training-camp
Of course, here, we've got to deal with this:
https://www.inquisitr.com/4894487/parent-outraged-after-kids-given-a-tour-of-an-armory-taught-about-guns-during-school-field-trip/