Relationships are all about learning negotiation skills. What you want is not unreasonable, but it may or may not be in line with what your girl wants. The only way to find out for sure is to ask her.
When you say "date", do you men that you are seeing her twice over the weekend... like Friday and Saturday nights? Maybe you can think about limiting yourself to 1 night, and one day (like Friday night and Sunday afternoon)?
I do not recommend dating during the week, at least not when you are in school. You should be studying then.
Relax... I'll need some information first. Just the basic facts - can you show me where it hurts?