Not really too sure how I scored mine.  I didn't go to a big university, but I did go to a highly rated private school.  Unfortunately the Big 4 didn't come to my school to recruit.  I sent my resume to the big university down the road, who then submitted it to the big 4.  At the time I didn't have 150 credits, but I was working on it.  I had a high GPA and a double major.

At the time I did know a senior working at the Big 4 firm I wanted to get in with.  I don't know if he put a good word in, but it couldn't have hurt.

Don't ask, don't get right! Whats the worst they can do? Ignore you or say no?

I find it funny that I was rejected by other small firms but the Big 4 said yes.

What i found the most helpful back when i first applied for Big 4 was the Numbers Game. I, also, talked to many recruiters, charmed and wooed them with delightful conversations but there's just too many people they have to talk to. Even though, they'll take your resume on the spot, its covered under piles and piles of paper.

My suggestion; 1st) get their email or business card and start the online rapport.

2) this is the most important step where all the recruiters going to tell you, SUBMIT YOUR RESUME ONLINE AND VIA SCHOOL CAREER CENTER DATA to get your on campus interview. That's going to be the most important step. You better make your schoool's career development center profile as deisel as possible!

And the 3) Pray. That's about it. Most of my friends who get the on campus interviews didn't even go to career fair. All ONLINE.