2011 Black-White Achievement Gap Report​s
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Table 8. Difference in Black-White student achievement and achievement gap in grade 8 mathematics from the 0-20 percent Black student density category, by Black student density category: 2011

Black-White student achievement and achievement gap
  Black Student Density Category
20-40 40-60 60-100
Average Standard error Average Standard error Average Standard error
White student difference in mean from 0-20 category-4*1.0-3*1.3-10*2.1
Black student difference in mean from 0-20 category-4*1.6-4*1.9-10*1.3
Difference in Black-White gap from 0-20 category# †-1 2.3# †
 

 

Black-White student achievement and achievement gap accounting for socioeconomic status
  Black Student Density Category
20-40 40-60 60-100
Average Standard error Average Standard error Average Standard error
White student difference in mean from 0-20 category-1 0.9# †-4 2.0
Black student difference in mean from 0-20 category-3 1.7-3 1.9-7*1.5
Difference in Black-White gap from 0-20 category-1 1.7-3 2.0-3 2.1
 

 

Black-White student achievement and achievement gap accounting for student, teacher, and school characteristics
  Black Student Density Category
20-40 40-60 60-100
Average Standard error Average Standard error Average Standard error
White student difference in mean from 0-20 category1 0.84*1.42 2.0
Black student difference in mean from 0-20 category# †# †-3*1.3
Difference in Black-White gap from 0-20 category-1 1.4-4*1.9-5*2.1
† 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)