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Mathematics
Reading
Student sample sizes and target populations in NAEP reading, by age: 2008
Age Sample size Target population
Age 9 8,900 3,848,000
Age 13 8,800 3,613,000
Age 17 10,000 3,633,000
NOTE: The sample size is rounded to the nearest hundred and the target population is rounded to the nearest thousand.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2008 Long-Term Trend Reading 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