Students Take Crucial College Scholastic Ability Test

SEOUL, SOUTH KOREA - NOVEMBER 13: Parents pray for their children taking the College Scholastic Ability Test at Chogey temple on November 13, 2014 in Seoul, South Korea. More than 640,000 high school seniors and graduates sit for the examinations at 1,200 test centers across the country, where academic records are all important. Success in the exam, one of the most rigourous standardized tests in the world, enables students to study at Korea's top universities. (Photo by Chung Sung-Jun/Getty Images)