There is an outstanding International Studies undergrad major available thru the Croft Institute for International Studies at the University of Mississippi:
http://www.croft.olemiss.edu/home/
Not only will you be easily accepted into Ole Miss, your ACT+GPA will automatically give you a full tuition scholarship:
http://finaid.olemiss.edu/scholarships/#8
additional scholarships + Pell grant + other need-based aid + loan may be able to cover room, board, and other expenses