This Nov. 20, 2014 photo, shows sophomore Yupei Guo on the campus of Yale University, in New Haven, Conn. Growing up, Guo thought the cost would make it impossible for her to attend one of the famed American universities. But by the time she applied to Yale, it was among the U.S. schools investing in more economic diversity among their growing ranks of international students. (AP Photo/Jessica Hill)
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