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