AvatareskalvaradoAmerica's Top Colleges Have A Rich-Kid Problemverified_publisherBusiness Insider - Written by Jordan Weissmann,In case you ever wondered just how much wealthy students dominate America's top colleges, here's a nice illustration from a new report by the Century Foundation. At the most selective schools in the country,* 70 percent of students come from the wealthiest quarter of U.S. families. Just 14 percent …