**I'm not sure if this applies to campuses with dorms, which make it easier for you to approach obviously if you live on the same floor as her, but this is what I've learned at my community college**
College Opening Logistics - How to get yourself in the right place at the right time.
Alright, so you're on campus, wanting to talk to girls from your class, or where ever. From my experiences in class, making conversation is easy (After you get past AA), it's the logistic part of it that's tricky. So you have a few categories of girls:
Early Birds - Sometimes can be attractive, they show up before class starts, usually shy.
What to do: they're really easy to talk to once you get them going, as their is nothing else to do while you're sitting in the hallway, ask them about the class, test grades, major, introduce yourself. you're all set. Just... be there early.
Late, early leaver - in my experience, usually hot. comes in late, maybe because they were smoking (certain girls can pull off a raspy voice and be hot, trust me), or they just don't care. Always leaves early, so good luck trying to talk to her before or after class.
What to do: First couple days of class, gauge where everyone sits, and see where she usually sits, and just sit next to her. easy as that. Most people claim seats after the first few days, but you don't give a shit, you're the man, you sit wherever the fuck you want.
Girl who looks kinda good but has kids - uhhh...
What to do: Get the Fuck Out.
Speedy - You always see this girl at the front of the pack, her ass might not even be that nice, but fuck, it's about the only thing you can look at after class because you see it everyday, so it is. Besides that, the only thing you can wonder is how the fuck her legs move so fast, when your strides are probably 2 times as big as hers.
What to do: Usually, these girls are either bitches, need to be somewhere, want to get home quick, or maybe need your dick in their life to calm them down a little. If you can, maybe be a little quicker on packing up your things. If that doesn't work, y'know how in classrooms, the rows are set up? Well take the front row, and be the first one to stand up, and slowly pack up until you can see her getting ready to kick your ass if you don't move. Then as you're walking out the door, try to spark up some conversation quickly to get her to walk with you. Then say how she's the fastest bitch in the west, or, Well, maybe call her speedy, or roadrunner, something.
note: If a girl is turning around, looking at you, then walking faster, you might want to re-evaluate how you look, your outfits... be less rapey.
Slow Walker - This girl seems to walk slower as if she's waiting for you to pack your shit up and maybe go talk to her...
What to do - Talk to her.
If you're starting your convo going into class, try to keep it flowing, but don't come off too strong; you're there to learn and better yourself, not just talk to girls. Same goes with starting it in class obviously, unless it's group work, then you're free to "game". Now, if its leaving class, try to avoid any long pause, and flirt hard, kino is great too, because you can lightly push her, bump into her, etc...
Usually when I end a conversation while walking off of campus, when we're about to go our seperate ways, i'll usually lightly punch them in the shoulder and say bye <name>. Just make sure not to hit too hard, or else she'll associate you with bruises. (unless if she's into that sort of thing, then good job.)
I can't think of anymore right now off the top of my head, but this is what I have so far. Feel free to add more to this post, or if you know of anything dorm-specific.