@spalak3, people have different opinions.
I personally don’t think there’s any way that USC can break in to the top 10. Even the top 20 will be quite difficult. Schools can game rankings to move up very quickly at lower levels, but it’s much harder once you get above 30.
I’ll let this thread speak for itself:
http://talk.collegeconfidential.com/business-school-mba/1224650-top-feeder-colleges-to-americas-elite-b-schools.html#latest
Also, personally, I feel that what you want to study should play a big role in your decision-making. An econ curriculum and BBA curriculum can be quite different.