if i could give you one piece of advice:
and i know you wont like this.
change major, do something else. this business is dead, its not worth it anymore. especaily slaving around in IB during the best years of your life. if anything aim for trading, youll get a much balance, but that is even more dead considering the new Basel 3 + other crap that will make everything more difficult.
if you really want to do it, then focus on getting the most amazing grades possible and...