Your GPA is a little weak, but ACT is good. I don’t think a retake is necessary. You seem like a good candidate for all of your schools. USC (SoCal?), WUSTL, Notre Dame, and Georgetown are reaches for almost anyone.
Chance me?
http://talk.collegeconfidential.com/what-my-chances/1787693-chance-for-syracuse-whitman-and-bu-i-chance-back.html#latest