Students at grade 8 score higher in 2011 than in 2009
See all the average score results by student group.
Higher percentage of eighth-graders in 2011 perform at or above Basic and Proficient than in 2009
See all the achievement level results by student group.
Score gaps narrow between some racial/ethnic groups but did not change for males and females
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NOTE: See complete data for science grade 8.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), various years, 2009 and 2011 Science Assessments.