NAEP Technical DocumentationParticipation, Exclusion, and Accommodation Rates for Grade 8 U.S. History in 2006

The following table displays the school- and student-level participation and exclusion rates for the grade 8 U. S. history assessment. Various weights were used in the calculation of the rates, as indicated in the column headings of the table.

The participation rates reflect the participation of the original sample schools only, and do not reflect any effect of substitution. The rates weighted by the base weight and enrollment show the approximate proportion of the student population in the jurisdiction that is represented by the responding schools in the sample. The rates weighted by just the base weight show the proportion of the school population that is represented by the responding schools in the sample. These rates differ because schools differ in size.

Participation, exclusion, and accommodation rates, grade 8 U.S. history assessment, by geographic domain and school type: 2006
Geographic domain and school type	Number of schools in the original sample, rounded	School participation rates (percent) before substitution (weighted by base weight and enrollment)	School participation rates (percent) before substitution (weighted by base weight only)	Number of students sampled, rounded	Weighted percent of students excluded	Weighted student participation rates (percent) after makeups	Weighted percent of students accommodated
National All¹	550	91.11	85.26	13,500	2.36	92.40	10.15
Northeast All	90	95.97	93.99	2,200	1.77	91.10	12.93
Midwest All	110	96.06	92.36	2,800	2.39	93.77	12.08
South All	210	84.53	75.14	5,100	3.07	93.20	9.92
West All	130	92.78	82.68	3,400	1.66	90.87	6.43
National Public	440	93.53	93.96	12,500	2.56	92.11	10.74
National Private	110	63.10	69.71	1,000	0.16	96.33	3.53
Catholic	50	82.14	84.47	700	0.13	96.00	1.44
Non-Catholic	60	42.99	58.32	400	0.19	96.86	6.05
¹ Includes national public, national private, Bureau of Indian Education (BIE), and Department of Defense Domestic Dependent Elementary and Secondary Schools (DDESS) that are located in the United States. NOTE: Numbers of schools are rounded to nearest ten, and numbers of students are rounded to nearest hundred. Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2006 U.S. History Assessment.

Last updated 07 April 2010 (GF)

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