I was getting to know this girl and she has started to say things like I really like you and stuff but at first I was kind of scared because she's a senior and I'm a freshman and she like hugs me and is like always asking me if she can have some of my soda or some of my lunch and I think I'm starting to like her but I'm still confused: :confused: help me srry for bad grammatic structure

Be friends and don't read too much into it.
If she likes you be friends it doesn't mean she wants a full fledged relationship or is even looking at you as a potential boyfriend. You can get to know her without jumping into anything.

Well itsjust its not the normal kind of hugging
Itsthe come up behind you and sway type and she has started talking about what she likes and hinting

So you like a older girl... Well that's normal and not in any way wrong. If you really like this girl then you should sit her down and explain to her how you feel. You will never know how she really feels unless you start with your feelings. It doesn't always work like this only because some people don't understand how to talk to the person you have feelings for but hey... If it was meant to be it will happen, just talk to her.

I know that I should do that but I'm lower than low at school and were 3 years apart I'm just so confused arrghh I can't think right I'm just lost I can't eat sleep or do much of anything util I get this solved I'm afraid to go to her I'm afraid of getting in her way ahhh I think I'm going to jump out my window I don't know I just don't know help me!

And the more time I think about her the more I can't function

The school year is almost done. She'll graduate and you might not see her anymore. Keep it simple, just spend time hanging out with her as friends while she's still in the same school.