I've mentioned before that you can major in a lot of different fields and still end up in publishing. But if you knew from the very beginning that's where you wanted to be, it might make sense to go to a college that offers a specific undergraduate or graduate degree in publishing or publishing studies, or whatever.
BookJobs.com has a list of such programs for you to consider. But of course, most of these are on the East Coast. Closer to home, the University of Indianapolis offers a minor in writing and publishing, directed by my former coworker (and current author), Dr. David Noble. Dr. Noble has promised to give us an insider view of the program in the coming month, so stay tuned.