I would not personally mark a study abroad as a most meaningful. One of your leadership roles or work with migrant children might be a better choice. Your list includes schools that take few to no OOS students (FSU and South Carolina).
I suggest:
Penn State
University of Pittsburgh
University of Virginia
VCU
Emory
Mount Sinai
Jefferson
Temple
Drexel
Geisinger
UMass
USF
Miami
Tufts University
Mayo Clinic
Iowa
Western Michigan
Dartmouth
Hofstra
Einstein
Rochester
Vermont
SLU
Creighton
Colorado
Ohio State
Cincinnati
Case
Keck