Comparison of change in average mathematics scores from 2009 to 2011 in the official NAEP reported sample and the full population estimates, grade 8: By district
District Reported estimate Full population estimates (FPE) Difference (reported
minus FPE)
Atlanta 6.5 * 5.8 * 0.6
Austin -0.3   1.3   -1.6
Baltimore 4.3   3.7   0.6
Boston1 2.2   4.0 * -1.9
Charlotte 2.9 * 3.6 * -0.7
Chicago 6.8 * 6.9 * -0.2
Cleveland 0.2   4.4   -4.2
Detroit 8.0 * 6.9 * 1.2
District of Columbia 4.4 * 4.5 * -0.1
Fresno -2.3   -1.7   -0.5
Houston 2.4   2.7   -0.2
Jefferson County 3.1 * 3.5 * -0.4
Los Angeles 2.3   2.4   -0.1
Miami -1.0   -0.4   -0.6
Milwaukee 2.9   2.1   0.8
New York City -0.7   -0.1   -0.6
Philadelphia1 0.4   0.0   0.4
San Diego -1.6   -0.6   -1.0
1 The significance of the trend results from the officially reported sample for this jurisdiction would be different under the scenario.
* Statistically significant change.
NOTE: Differences are calculated using unrounded numbers.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 and 2011 Mathematics Assessments.

Read more about the potential effects of exclusion rates on assessment results.


Last updated 21 November 2011 (FW)