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Eighth grader Tzara Geraghy, 13, far right, reviews lines while listening to her drama teacher Tamara Cooreman with her classmates  at the Chinese American International School, a prekindergarten through eighth grade Chinese-immersion private school, in San Francisco, Ca., on Tuesday, March 22, 2011. The school has become one of the most competitive to get into in San Francisco. Only a third of its students come from Asian families, and even many of those families do not speak Chinese. Yet parents are relying on Chinese language skills for their kids' future. Lianne Milton for The Wall Street Journal