"For my safeties right now, I have McGill, Reed, Oberlin, maybe USC "
ANY college or university with an admit rate less than 50% is NOT a safety.
USC AND UCLA are reaches for ANY student, simply because they reject over 80% of applicants. INCLUDING students with much higher stats than yours. And USC’s Classics program is not strong.
You need to find other colleges where your chances of admittance are MUCH higher.
what state are you living in?