If you are thinking about coming to Argentina. You Should have a look at our 4 or 2 months inmersion programs in La Plata the capital of the province of Buenos Aires.
Spanish courses are provided by UNLP. Accommodation and Tourism trips for young students from all over the world are provided by International INN La Plata -Host Family-.
http://www.facebook.com/pages/International-Inn-La-Plata-Spanish-courses-from-the-University-of-La-Plata/29761503936 BECOME A FAN!
http://www.iinn-lp.com.ar/