In this Feb. 27, 2012, photo, Sally Kim takes notes during a physics class at Columbia Independent School in Columbia, Mo. Kim's parents, who live in South Korea, sent her to live with relatives in Columbia for a better education that provides more collegiate opportunities. Such relocations, known as early study abroad, have surged in popularity in South Korea, where a rigid, test-driven education system, combined with intense social pressure to succeed in an English-first global economy, often means breaking up families for the sake of school. (AP Photo/Grant Hindsley)
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