Oh, man, I don't really read that much shoujo anymore lol
Only ones I can think of that are shoujo, romance and in a school setting are:
- https://www.mangago.me/read-manga/nanaco_robin/
I'd actually recommend most of the author's work, most if not all of her protagonists are a ton of fun. This one has a few jokes that don't land, but oh well.
-......
