There's some corresponding girl who's going to be eating alone too. Why not ask her to go have coffee with you afterward? Unless the college is Caltech, in which case never mind.
Or most any other math/science/engineering oriented school.
Well, I'm going to NYU, so theoretically my being a heterosexual male already gives me an advantage.
This was the key to ending my loneliness years ago. Once I realized that there were great women who were just as alone as I was, I suddenly had motivation to go out and look for them.