Vanderbilt and USC chances (sorry..but please)

Gpa 3.6 unweighted
3.83 junior year(upward trend)
Sat- 1550, 800 math, 750 english
APUSH-5
AP Physics 2- 5
Extracurricular- Youth Program and Math Team, 9,10,11, and 12
50 Volunteer hours at Newton Wellesely Hospital
Harvard Summer School course
Should have good essay and recs

Bump

Good SAT but GPA is low and extracurriculars are lacking. Vanderbilt is a high reach and USC is a low reach.

You application to USC will be strengthened or weakened by your essays. Can you describe your passion? Your curiosity ? You do not share the difficulty of your schedule. That will matter too. I also wonder, how do you know that these schools are a good match for you? If you drop the prestige assigned to them, why are they a good fit for you?