U.S. 15-year-olds scored, on average, significantly lower than their counterparts in most OECD nations in both math and literacy and problem-solving on the 2003 administration of the Program for International Student Assessment, known as PISA.
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U.S. 15-year-olds scored, on average, significantly lower than their counterparts in most OECD nations in both math and literacy and problem-solving on the 2003 administration of the Program for International Student Assessment, known as PISA.