Chutian Shao moved from China to the Midwest college town of Champaign, Ill., a few years ago. Some days, he says, it feels as if he hasn’t traveled very far at all.

On a recent Monday, the 22-year-old woke up in the apartment he shares with three Chinese friends. He walked to an engineering class at the University of Illinois, Urbana-Champaign, where he sat with Chinese students. Then, he hit the gym with a Chinese pal before studying in the library until late into the night.

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