Its mostly by GPA, being a pharmacy student at USC I should give u guys a heads up on the GPA requirment to gradurate from USC pharm school it's 3.0 if don't already know that . Compared to UCSF 2.0, UCSD 2.0 western 2.75, UOP 2.00, USC Med Pass/Fail, and USC Dental 2.0. And theres a test to get into 4th year. Ask these questions at the interview and don't forget to ask how the grades are distributed. I feel these are the most important questions you should ask to your $$$ worth. I might be talking a bit negative about USC, thats only because I learned the hard way.