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NAEP Technical DocumentationStudent Response and Exclusion Rates for the 2012 Long-Term Trend (LTT) Assessment in Mathematics

The following table presents the weighted student response and exclusion rates for the 2012 Long-Term Trend (LTT) math assessment. The exclusion rates give the percentage excluded, among all eligible students. Excluded students must necessarily be either students with disabilities (SD) or English language learners (ELL). The response rates indicate the percentage of students assessed among those who it was intended would take the assessment from within the participating schools. Thus, students who were excluded are not included in the denominators of the response rates.

Weighted student response and exclusion rates for public and private schools, long-term trend math assessment, by school type, geographic region, and age: 2012

Age	School type and geographic region	Weighted student response rate (percent)	Weighted percent of all students who are SD and excluded	Weighted percent of all students who are ELL and excluded
NOTE: National all includes national public, national private, Bureau of Indian Education, and Department of Defense Education Activity schools located in the United States. SD = students with disabilities; ELL = English language learners. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2012 Long-Term Trend Assessment.
9	National all	94.83	1.27	0.34
	National public	94.96	1.36	0.37
	Northeast public	95.01	1.58	0.67
	Midwest public	95.32	2.20	0.31
	South public	94.56	1.03	0.20
	West public	95.22	0.96	0.49
	National private	92.95	0.23	0.00
	Catholic	94.32	0.00	0.00
	Non-Catholic private	91.50	0.39	0.00
13	National all	93.03	1.10	0.20
	National public	92.85	1.19	0.22
	Northeast public	90.70	0.47	0.34
	Midwest public	94.75	1.10	0.05
	South public	92.04	1.59	0.29
	West public	93.75	1.09	0.19
	National private	95.10	0.16	0.00
	Catholic	95.43	0.34	0.00
	Non-Catholic private	94.70	0.00	0.00
17	National all	88.06	1.60	0.20
	National public	88.22	1.90	0.27
	Northeast public	85.42	2.59	0.35
	Midwest public	88.29	1.51	0.07
	South public	90.03	1.42	0.19
	West public	87.71	1.64	0.28
	National private	85.87	0.13	0.00
	Catholic	86.80	0.25	0.00
	Non-Catholic private	84.42	0.00	0.00

 

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