NAEP Achievement Gaps - 2011 Table 12

2011 Black-White Achievement Gap Reports

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Table 12. Breakdown of the components of the achievement gap in grade 8 mathematics for public schools, nationally and by jurisdiction: 2011
		Between-school gap		Within-school gap		Indeterminate gap		Within-school gap minus between-school gap			Indeterminate gap minus between-school gap
Jurisdiction	Total Black-White achievement gap	Estimate	Standard error	Estimate	Standard error	Estimate	Standard error	Estimate		Standard error	Estimate		Standard error
Nation	-31	-5	0.5	-16	0.4	-10	0.2	-9	*	2.3	-6	*	0.7
Alabama	-31	-2	2.1	-16	1.3	-12	1.0	-13	*	3.0	-10	*	2.8
Alaska	-20	#	†	-19	3.5	-1	0.2	-19	*	3.6	-1		0.8
Arizona	-26	#	†	-25	3.7	-1	0.2	-25	*	4.3	-1		1.3
Arkansas	-30	-8	1.5	-13	1.2	-10	0.9	-4		2.4	-2		2.2
California	-36	-6	2.5	-25	3.0	-6	0.7	-19	*	4.3	#		†
Colorado	-32	-2	2.1	-25	3.1	-5	0.6	-24	*	4.7	-3		2.6
Connecticut	-35	-10	1.7	-19	2.1	-6	0.7	-9	*	3.4	4		2.2
Delaware	-28	-4	0.5	-22	1.5	-3	0.2	-18	*	1.7	1		0.6
District of Columbia	-67	-15	2.0	-32	2.5	-20	1.5	-18	*	3.9	-6		3.1
Florida	-29	-3	1.0	-19	1.4	-7	0.5	-16	*	1.9	-4	*	1.2
Georgia	-29	-5	1.4	-15	1.5	-9	0.9	-10	*	2.6	-4		2.0
Hawaii	-13	4	1.0	-16	4.7	-1	0.2	-19	*	5.1	-4	*	1.1
Idaho	–	–	†	–	†	–	†	–		†	–		†
Illinois	-33	-5	1.9	-13	1.4	-16	1.7	-8	*	3.0	-11	*	3.4
Indiana	-26	-2	2.5	-13	1.6	-12	1.4	-11	*	3.7	-10	*	3.6
Iowa	-30	-3	1.6	-24	2.7	-3	0.4	-22	*	3.3	-1		1.7
Kansas	-26	-4	1.2	-18	2.3	-4	0.6	-13	*	3.2	#		†
Kentucky	-24	-1	1.4	-18	1.9	-5	0.5	-17	*	2.9	-4	*	1.8
Louisiana	-23	-3	1.1	-14	1.3	-7	0.7	-11	*	2.1	-4	*	1.5
Maine	-27	#	†	-25	5.1	-2	0.4	-25	*	5.6	-2		1.5
Maryland	-36	-12	1.9	-13	1.2	-11	1.0	-1		2.7	1		2.5
Massachusetts	-29	-2	4.0	-20	2.2	-7	0.8	-18	*	5.2	-6		4.3
Michigan	-36	-8	2.4	-14	1.4	-14	1.4	-6		3.4	-6		3.4
Minnesota	-37	-3	2.0	-26	2.6	-8	0.8	-23	*	4.0	-6	*	2.5
Mississippi	-27	-4	1.5	-13	1.1	-10	0.9	-9	*	2.3	-6	*	2.1
Missouri	-33	-3	2.8	-15	1.1	-15	1.1	-12	*	3.5	-11	*	3.5
Montana	–	–	†	–	†	–	†	–		†	–		†
Nebraska	-35	-6	1.3	-23	2.9	-6	0.7	-17	*	3.7	1		1.8
Nevada	-33	-2	0.9	-28	2.3	-2	0.2	-26	*	2.6	#		†
New Hampshire	–	–	†	–	†	–	†	–		†	–		†
New Jersey	-33	-5	1.9	-17	2.2	-10	1.3	-13	*	3.7	-6		2.9
New Mexico	-24	2	0.6	-26	4.5	-1	0.1	-28	*	4.4	-3	*	0.6
New York	-26	-6	2.0	-12	1.5	-8	1.0	-5		3.1	-2		2.8
North Carolina	-29	-3	1.3	-19	1.4	-7	0.5	-16	*	2.4	-4	*	1.6
North Dakota	–	–	†	–	†	–	†	–		†	–		†
Ohio	-32	-9	2.0	-12	1.0	-12	1.0	-3		2.7	-3		2.8
Oklahoma	-24	#	†	-18	2.0	-6	0.6	-18	*	3.8	-6		2.9
Oregon	-24	1	2.6	-19	4.4	-7	1.5	-20	*	6.1	-8	*	3.6
Pennsylvania	-37	-16	2.8	-9	1.3	-12	1.5	7		3.7	5		4.0
Rhode Island	-34	-9	1.5	-21	2.5	-4	0.5	-12	*	3.4	5	*	1.8
South Carolina	-31	-3	0.9	-21	1.4	-6	0.4	-18	*	2.0	-3	*	1.2
South Dakota	-25	-1	0.7	-24	4.2	-1	0.2	-23	*	4.4	#		†
Tennessee	-27	-5	2.4	-11	1.6	-11	1.7	-5		3.7	-6		3.8
Texas	-26	-1	1.3	-20	1.5	-5	0.4	-19	*	2.3	-3	*	1.5
Utah	–	–	†	–	†	–	†	–		†	–		†
Vermont	–	–	†	–	†	–	†	–		†	–		†
Virginia	-29	-4	1.3	-18	1.4	-7	0.5	-14	*	2.1	-3		1.5
Washington	-30	-4	1.2	-24	3.4	-2	0.3	-20	*	3.7	2		1.3
West Virginia	-14	1	1.3	-14	3.0	-2	0.4	-15	*	3.6	-3	*	1.5
Wisconsin	-40	-7	2.6	-17	2.2	-16	2.1	-9		4.3	-8		4.2
Wyoming	–	–	†	–	†	–	†	–		†	–		†
– Not available.
† Not applicable.
# Rounds to zero.
*Significantly different (p<=.05) from the between-school component.
NOTE: The indeterminate gap is the portion of the gap that could not definitively be attributed to either within- or between-school differences in achievement alone. Idaho, Montana, New Hampshire, North Dakota, Utah, Vermont, and Wyoming had too few Black students sampled on the National Assessment of Educational Progress assessment to report results.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress, 2011 Mathematics Grade 8 Assessment.

Last updated 06 August 2015 (DS)