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2011 Black-White Achievement Gap Report​s
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Table 10. Black-White student achievement and achievement gap in grade 8 mathematics, accounting for student, teacher, and school characteristics, by Black student density category and sex of student: 2011
  Black Student Density Category
0-20 20-40 40-60 60-100
Average Standard error Average Standard error Average Standard error Average Standard error
Female
  White student difference in mean from 0-20 category
 0 1.23 2.0-1 2.8
  Black student difference in mean from 0-20 category 1 2.0# -3 1.8
  Difference in Black-White gap from 0-20 category 0 2.0-3 2.7-2 2.9
Male
  White student difference in mean from 0-20 category
 2 1.04*1.55 2.9
  Black student difference in mean from 0-20 category -1 1.8-1 2.1-4*1.8
  Difference in Black-White gap from 0-20 category -3 1.9-5*2.2-9*3.2
(Black-White gap for males) - (Black-White gap for females)-3 5.7-7 5.6-5 5.6-10 5.6
† Not applicable.
# Rounds to zero.
*Statistically different from zero (p<=.05).
NOTE: "Black student density" is the percentage of students in a school who were Black (e.g., schools in the 0-20 percent category had a percentage of students who were Black between 0 and 20 percent).
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2011 Mathematics Grade 8 Assessment.

Last updated 06 August 2015 (TO)