Skip navigation

The Nation's Report Card

Long-Term Trend Overall Results Executive Summary Mathematics Overall Results Reading Overall Results Student Groups Contextual Variables Sample Questions About the Assessment Information For… Media Parents Educators Researchers Policymakers Resources About the Nation's Report Card Data Tools FAQ Contacts

Improvement in mathematics for lower-, middle-, and higher-performing students varies by age

 Average Scale Score
 Performance Level

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

graph key


  • 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.

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