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SEOUL, SOUTH KOREA - NOVEMBER 13: A South Korean high school girl arrives at a school by police bike to take the College Scholastic Ability Test on November 13, 2008 in Seoul, South Korea. More than 580,000 high school seniors and graduates sit for the examinations at 996 test centers across the country. Success in the exam enables students to study at Korea's top universities. (Photo by Chung Sung-Jun/Getty Images)

SEOUL, SOUTH KOREA - NOVEMBER 13: A South Korean high school girl arrives at a school by police bike to take the College Scholastic Ability Test on November 13, 2008 in Seoul, South Korea. More than 580,000 high school seniors and graduates sit for the examinations at 996 test centers across the country. Success in the exam enables students to study at Korea's top universities. (Photo by Chung Sung-Jun/Getty Images)