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Coming to America

Amy Wang (L), a foreign exchange student from Shenyang, China, jokes around with her host Barb Hoyles and her dog "Muffin" while waiting for a ride to school in Marietta, South Dakota February 14, 2012.

Coming to America

Enrollment is dropping at some rural schools, but officials have an improbable plan to save their schools -- by turning them into magnets for wealthy foreign students