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 Date: 2016-02-18 10:09:53Education National Assessment of Educational Progress United States Department of Education Achievement gap in the United States Standardized test Education in the United States Racial achievement gap in the United States Keystone Central School District |
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American Journal of Educational Research, 2016, Vol. 4, No. 2, Available online at http://pubs.sciepub.com/education/4/2/2 © Science and Education Publishing DOI:educationEffects of Cumulative F