He was abducted by Hagrid when he turned 11 so that would place him maybe around the fifth or sixth grade.
I don’t know if canonically there are math classes at Hogwarts.
The thought came to while I was watching the anime Mashle. If you are into Harry Potter and One-Punch Man I’d recommend giving it a watch.
Someone mentioned this community below; I wanted to highlight it.
Small promotion for !harrypotter@literature.cafe
As far as I know, the Protego spell protects against physical forces. The reason no one uses projectiles (they certainly could catapult stuff around with spells as well) is probably because it’s common knowledge that it does nothing.
Bullets are pretty quick though. Quicker than what it takes to spell Protego
Yeah. I a 1v1 the gun wins.
But Protego is something that you can simply have up around you whenever.