NAEP Technical DocumentationParticipation, Exclusion, and Accommodation Rates for Grade 12 U.S. History in 2006

The following table displays the school- and student-level participation and exclusion rates for the grade 12 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 12 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	800	79.92	80.20	17,200	2.45	73.28	6.41
Northeast All	140	90.38	85.14	3,500	1.08	71.33	8.85
Midwest All	160	90.59	84.09	3,900	2.15	74.75	7.11
South All	290	78.46	78.30	6,300	3.54	78.44	5.39
West All	210	61.87	75.16	3,500	2.39	64.79	5.09
National Public	650	83.23	90.45	15,700	2.66	72.30	6.76
National Private	150	45.99	54.55	1,500	0.40	87.21	3.02
Catholic	40	54.64	50.85	1,000	0.00	84.83	1.81
Non-Catholic	100	36.61	55.28	500	0.86	90.38	4.40
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 06 April 2010 (GF)

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