NAEP - Writing 2007: National Participation Rates

National participation rates in writing

The national school participation rate for public and private schools combined were 97 percent for grade 8 and 89 percent for grade 12. Student participation rates were 92 percent for grade 8 and 80 percent for grade 12. Participation rates needed to be 70 percent or higher to report results separately for private schools. While the school participation rate for private schools met the standard for grade 8 in 2007, it fell below the standard for grade 8 in 2002 and for all three assessment years at grade 12. Therefore, the only comparison that could be made for private school students was between 1998 and 2007 at grade 8. Participation rates for Catholic schools, however, were sufficient for reporting in 2007 at both grades and in the two previous assessment years, with the exception of 2002 for grade 12.

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National school and student participation rates in NAEP writing at grade 8, by type of school: 2007
Type of school	Percent before substitution	Percent after substitution	Percent before substitution	Percent after substitution	Number of schools participating after substitution	Student- weighted percent	Number of students assessed
	School participation					Student participation
	Student-weighted		School-weighted		Number of schools participating after substitution	Student- weighted percent	Number of students assessed
Nation	97	98	87	90	6,810	92	139,900
Public	100	100	100	100	6,310	92	135,100
Private	74	82	67	76	360	95	3,100
Catholic	89	97	89	95	150	96	1,500
NOTE: The national totals for schools include Department of Defense Education Activity (overseas and domestic schools) and Bureau of Indian Education schools, which are not included in either the public or private totals. The national totals for students include students in these schools. Columns of percentages have different denominators; see accompanying text for definitions. The numbers of schools are rounded to the nearest ten, and the numbers of students are rounded to the 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), 2007 Writing Assessment.

National school and student participation rates in NAEP writing at grade 12, by type of school: 2007
Type of school	Percent before substitution	Percent after substitution	Percent before substitution	Percent after substitution	Number of schools participating after substitution	Student- weighted percent	Number of students assessed
	School participation					Student participation
	Student-weighted		School-weighted		Number of schools participating after substitution	Student- weighted percent	Number of students assessed
Nation	89	92	83	86	660	80	27,900
Public	92	94	93	95	520	79	22,000
Private	63	70	55	62	140	86	5,800
Catholic	82	88	86	89	60	87	3,700
NOTE: The national totals for schools include Department of Defense Education Activity (overseas and domestic schools) and Bureau of Indian Education schools, which are not included in either the public or private totals. The national totals for students include students in these schools. Columns of percentages have different denominators; see accompanying text for definitions. The numbers of schools are rounded to the nearest ten, and the numbers of students are rounded to the 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), 2007 Writing Assessment.

The student-weighted school participation rates are calculated based on the estimated number of students represented by either the initially selected schools that participated in the assessment (before substitution) or the participating schools, whether originally selected or selected as a substitute for a school that chose not to participate (after substitution). The school-weighted school participation rates are calculated based on the estimated number of schools either before or after substitutions.

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