So im at college and i was looking at this girl in class sitting in front of me to make eye contact before opening, but she noticed me, smiled, looked away and then she actually opened on me. We had like a 20 second conversation before the professor came in.

The only thing is that we only see each other on exam days. So on the last exam, I saw her waiting in the hallway so I approached and she was very talkative and kept trying "review" for the test with me. (i dont know if she is like that, or if it was an IOI or if she was just nervous for the test). We talked for like 20 minutes mostly about the test material, but before we had to get in the classroom I asked for her name, she asked for mine and pleasure to meet me. (again not sure if friendly or IOI).

So, since we only see each other on test days. The last time I would hopefully see her would be for the final exam. Also, this is my last semester in college so I probably won't see her again. She seems very geniune and is not a whore (huge plus for me, since I dont like to mess around with girls), so what should I do to get her number?

I'm assuming that you have a fair idea what her name is. I would advise simply looking her up on Facebook and adding her. Then take it from there. I would not advise asking for her number just yet.

You are only going to see her once, ever again. Just be straight with her: "Hey I think we have a good connection and we're probably never going to see eachother again after today, why don't I take your # and we can continue this sometime" or whatever. Nothing to lose.

You know what... How about every time you think "Is that an IOI" you go forward in your thoughts and think "You never know until you know." Essentially, you don't know until you wear the face off her. Assume she's into you. Everything positive she does just assume she's into you and proceed to game her. You should be doing this anyway. There's things like "Stealth Attraction" for a reason because you come under the radar so to speak. You shouldn't really be obsessing over IOIs as much as you seem to be. Just assume she's into you.

Isn't it better for this to be a last choice if I don't get to talk to her on the last day?
This sounds good. I was thinking after talking for a while, say to her: "hey, you know this is my last semester so I probably won't be seeing you again, why don't I take your number and we can do something over winter break?"

Is that ok?
I really should. I'm just afraid she was just being friendly and is not interested in me, which I don't think that's the case, but just trying to be sure.

Yes. That's why it is a must that u talk to her on the last day.
Sounds great. Get her # not her email etc. Go for it, you have this 1 shot with her; otherwise, don't forget, as you said you will probably NEVER see her again.

Im not going to puss out and not ask for her number. My only fear is not having enough time for a short conversation before asking for it, like if she arrives late which I doubt since she always arrives early.

If you just get her FB and leave it at that, it will be an epic fail. Trust me.

You get her phone number, AND her FB after that, in the same moment. Just do it. "We should keep in touch, what's your number?" whip out your phone and open the contacts page without even looking at her, and hand it over to her for her to enter it in. Then "What's the email you signed up to FB with?" that's the only way to add someone directly without having to sort through a hundred people with the same first and last name. And you can say that on the end "This means I won't have to sort through a hundred Jane Doe's!" sometimes they're adamant that they're the only Veronica Kablahimalnlighaoignoaihgwotiuon on FB, and you can find them that way, and that's ok to.

It's all about the vibe. You have to believe that getting a number is the normal thing to do. It IS what people do when they want to keep in contact! Don't be shy about it.

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Im normally shy, but Im not feeling shy at all about asking this girl for her number since Im pretty confident she won't say no and we had a good connection. I'm more nervous about setting up a date afterwards since she lives about 40 km away. Dont mind picking her up but it might be a bit weird for her. I'll make thread for more advise if I get her number (hopefully)

Got it

Now this is the part that I suck at...when should I text or call her? We finish finals this friday.