NAEP Technical DocumentationParticipation, Exclusion, and Accommodation Rates for Grade 4 Civics for the 2010 Assessment

The following table displays the school- and student-level participation, exclusion, and accommodation rates for the grade 4 civics 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 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 4 civics assessment, by school type and geographic region: 2010
School type and geographic region	Number of schools in original sample	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	Weighted percentage of students excluded	Weighted student participation rates (percent) after makeups	Weighted percent of students accommodated
¹ Includes national public, national private, Bureau of Indian Education, and Department of Defense Education Activity schools 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), 2010 Civics Assessment.
National all ¹	630	95.57	87.50	8,000	1.52	94.54	13.17
National public	480	98.64	98.55	7,400	1.56	94.56	13.84
Northeast public	70	100.00	100.00	1,100	1.02	93.67	16.93
Midwest public	110	100.00	100.00	1,300	2.09	95.19	11.88
South public	180	99.78	99.50	3,200	1.76	94.24	14.00
West public	130	94.75	94.96	1,900	1.15	95.15	13.13
National private	150	65.06	63.20	500	1.08	94.33	4.88
Catholic	40	90.41	92.60	300	1.37	95.45	4.82
Non-Catholic private	110	45.27	51.52	300	0.76	92.63	4.94

Last updated 10 May 2011 (JL)

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