We had 58" of snow in one evening once back when I was in 4th grade. They cancelled that day. Then two months later, we had 40" of snow but fuckin' hell we were not canceling again so we had to make it in for a 2-hour delay, and then went home 2 hours early because the snow was coming down some more. That was a school district that was not extending the school year.
Oh man, occasionally we'd have "Ice Days", where the roads were bad enough that the school bus companies weren't running, but you still had to go to school (total dumb bullshit, but that's another story). I'd get a ride in with my mom on her way to work anyways, so I'd get to school, there's be like 50 students and a bunch of teachers being all like "why are you heeeeere? go home kid, i wanna go home too." Looking back, that was probably one of my first realizations that my teachers were human, and just like me.