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NAEP Sample Design → Sample Design for the 2001 Assessment → National Main Assessment Sample Design in 2001 → Student Sample Selection for the 2001 National Main Assessment → Students Excluded From the 2001 National Main Assessment → Weighted Percentages of Students Excluded from the 2001 National Main Assessment

NAEP Technical DocumentationWeighted Percentages of Students Excluded From the 2001 National Main Assessment

The table below shows the distribution of excluded students by reason for exclusion for the three grades. The dominant reason for exclusion from NAEP across all grades and subjects was a student disability. In general, the proportion attributable to student disability and/or limited English proficiency decreased with grade.

Weighted percentages of students excluded (SD and LEP) from the assessment, national main assessment: 2001

Student population	Subject area	Grade	School type	Percent of students identified as SD or LEP	Percent of students excluded	Percent of students identified as SD	Percent of students that were excluded and SD	Percent of students identified as LEP	Percent of students that were excluded and LEP
R21	Geography	4	Overall	16.04	7.65	10.60	6.13	6.01	1.92
			Public	17.58	8.42	11.50	6.72	6.71	2.15
			Nonpublic	2.92	1.06	2.92	1.06	#	#
		8	Overall	15.63	7.55	12.25	6.67	3.87	1.22
			Public	17.03	8.18	13.33	7.26	4.24	1.30
			Nonpublic	2.57	1.63	2.13	1.19	0.44	0.44
		12	Overall	10.77	4.77	8.42	4.16	2.73	0.85
			Public	11.20	5.02	8.68	4.38	2.92	0.89
			Nonpublic	5.53	1.75	5.17	1.40	0.35	0.35
	U.S. history	4	Overall	15.50	6.89	9.94	5.35	6.18	1.85
			Public	17.03	7.67	10.80	5.95	6.90	2.07
			Nonpublic	2.96	0.41	2.86	0.41	0.25	#
		8	Overall	15.73	7.85	12.27	6.99	3.98	1.21
			Public	17.11	8.51	13.35	7.62	4.34	1.27
			Nonpublic	2.82	1.79	2.19	1.16	0.63	0.63
		12	Overall	10.63	4.39	8.08	3.83	2.81	0.75
			Public	11.06	4.61	8.32	4.01	3.02	0.81
			Nonpublic	5.18	1.60	5.09	1.51	0.08	0.08
R32	Geography	4	Overall	17.37	4.12	12.65	2.62	5.49	1.68
			Public	18.80	4.45	13.55	2.81	6.10	1.84
			Nonpublic	5.34	1.34	5.06	1.05	0.28	0.28
		8	Overall	16.01	3.72	12.41	2.77	4.39	1.19
			Public	17.38	4.10	13.41	3.07	4.84	1.30
			Nonpublic	3.29	0.17	3.12	#	0.17	0.17
		12	Overall	9.96	2.32	7.75	2.02	2.43	0.41
			Public	10.59	2.51	8.21	2.18	2.62	0.45
			Nonpublic	1.95	#	1.95	#	#	#
	U.S. History	4	Overall	17.59	3.34	13.03	2.21	5.52	1.43
			Public	19.29	3.66	14.22	2.41	6.15	1.58
			Nonpublic	3.26	0.64	2.98	0.48	0.28	0.16
		8	Overall	16.59	3.42	12.92	2.46	4.33	1.13
			Public	17.94	3.78	13.88	2.72	4.78	1.23
			Nonpublic	4.15	0.14	4.02	#	0.14	0.14
		12	Overall	9.73	2.44	7.66	2.17	2.27	0.35
			Public	10.39	2.63	8.15	2.34	2.45	0.38
			Nonpublic	1.15	#	1.15	#	#	#
# Rounds to zero. 1 Student population R2 sampled students that neither have a student disability (SD) nor are limited English proficient (LEP), plus SD/LEP students from sessions in which accommodations were not allowed. 2 Student population R3 sampled students that neither have a student disability (SD) nor are limited English proficient (LEP), plus SD/LEP students from sessions in which accommodations were allowed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2001.

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