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The Nation's Report Card

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Mathematics scores for 9- and 13-year-olds higher than in all previous assessment years

Average Scale Score
 Performance Level

Trend in NAEP mathematics average scores for 13-year-old students

graphical key with extrapolated data


  • At age 13, the average score in mathematics in 2008 was 3 points1 higher than in 2004 and 15 points higher than in 1973.

 * Significantly different (p < .05) from 2008.
1The score-point change is based on the difference of unrounded scores as opposed to the rounded scores shown in the figure.
NOTE: The lighter dashed lines for 1973 represent extrapolated data. 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, 1973–2008 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