Hey Liz, what will you be studing in UCA? Ive done their PEL in 2010 (Programa de Estudios Latinoamericanos) which is only for foreigners, some classes are good others not, PM me if you want some more info. Also, I took one course with argentinian students and it was very hard to make friends!! Lucky for me I already had argentinian friends, but I saw MANY international students in UCA really frustrated with not being able to make argentinian friends even though they were taking courses with argentinian students...