You have some good choices....
SC is a large research university in an urban area, although the campus is like an oasis with courtyards, fountains, plazas, palm trees, tropical plants and many flowering trees.
USNews is sometimes controversial, but here are some figures from the last college rankings issue.
USC ...Faculty resources 25th
WF ... 35th
USC ... Faculty/Student Ratio 1/9
WF ... 1/10
USC ...Selectivity Rate 22% From SC website 2008
WF 42% From USNews 2007
SC's business school is highly ranked. In the last rankings Accounting was 5th, International Business 5th, Entrepreneurship 4th and Real Estate 7th. There is emphasis on Global Business, especially in the Pacific Rim.
Is financial aid a factor in your choice? Have you visited both campuses? What about the campus vibe? Where do you feel most comfortable? SC has one of the most diverse student bodies in the U.S. Is this a plus or a minus for you?
Here are a few alumni of the Marshall School of Business:
D. Bane: Chrm. and CEO of Trader Joe's
H. Caruso: Founder of Dollar Rent-A-Car
Yang Ho Cho: Pres. of Korean Air Lines
C. Elachi: Director of JPL
S. Goodall: Pres. of J.D. Power & Associates
B. Hughes: Founder and CEO of Public Storage
P. Locatelli: Former Pres. of Univ. of Santa Clara
P. Martin: Former V.P. of Federal Reserve Board
P. Orfalea: Founder of Kinko's
A. Pearson: Former Pres. of PepsiCo
S. Wang: Co-founder of Pinberry Frozen Yogurt Chain
Many of these transfer students are quite familiar with Marshall. Perhaps they could add their opinions.
You asked about graduate school placement. Check on the Marshall website. There are comments about internships, placements, companies which recruit at SC and other information: USC Marshall