11 year old Muggle borns getting their Hogwarts letter and being all flustered and confused (mostly confused).
They’re reactions would probably be along the lines of:
“Does Hogwarts have free wifi?”
“Does Hogwarts even have wifi?”
“Can I bring the cat?”
“I’m eleven how do they expect us to cope with the fact that we are going to do mag-HOLY FLOWER WE GET WANDS!”
“Why can’t I wear jeans and a T-shirt and be comfortable?”
“Mom how do I get an owl to send a RSVP?”