National Assessment of Educational Progress 2005-2015 (Shared by GTKWebGIS)
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National Assessments Average Scale Scores for mathematics, reading for grades 4th and 8th and for the years of 2005, 2007, 2009, 2011, 2013, 2015 by state. For use with GTKWebGIS book.
创建时间：
2016-01-22
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