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Improvement in mathematics for lower-, middle-, and higher-performing students varies by age
Average Scale Score
Performance Level
Percentile

Trend in NAEP mathematics percentile scores for 9-year-old students

graph key

Finding

  • Scores for 9-year-olds performing at all but the 10th percentile were higher in 2008 than in all previous assessment years.

* Significantly different (p < .05) from 2008.
NOTE: View complete data with standard errors.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), various years, 1978–2008  Long-Term Trend Mathematics Assessments.

To read more details on comparisons across years, see About the Long-Term Trend Assessment.

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2008 Long-Term Trend Report Card 2008 Long-Term Trend Report Card

National Assessment of Educational Progress, National Center for Education Statistics
National Assessment Governing Board
Institute of Education Sciences, U.S. Department of Education