NAEP Technical DocumentationParticipation, Exclusion, and Accommodation Rates for Grade 4 Writing

The following table displays the school- and student-level response, exclusion, and accommodation rates for the grade 4 writing 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 school type and geographic region 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 writing national assessment, by school type and geographic region: 2017

School type and jurisdiction	Number of schools in 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
All	1,940	93.93	83.87	27,300	1.92	92.99	12.03
National all1	1,940	93.93	83.87	27,300	1.92	92.99	12.03
Northeast all	300	93.25	79.91	4,000	1.95	90.09	15.18
Midwest all	390	95.17	83.83	5,000	1.71	94.35	10.95
South all	770	92.44	87.32	11,100	2.14	93.55	13.60
West all	480	95.69	82.22	7,200	1.71	92.82	8.24
National public	1,510	96.69	96.14	24,900	2.06	92.96	12.70
National private	420	60.51	52.18	2,400	0.24	93.44	3.87
Catholic	130	83.82	87.27	1,300	0.36	93.13	4.74
Non-Catholic	300	42.14	39.84	1,100	0.14	93.85	3.18
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 due to rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2017 Writing Assessment.

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