NAEP Technical DocumentationIneligible Public Schools for the 2006 Assessment

The Common Core of Data (CCD) public school file from which most of the sampled schools were drawn corresponds to the 2003-2004 school year, two years prior to the assessment school year. During the intervening period, some of these schools either closed, no longer offered the grade of interest, or were ineligible for other reasons. In such cases, the sampled schools were considered to be ineligible.

The table below presents unweighted counts of sampled public schools by grade and eligibility status.

NAEP sample public schools, by eligibility status and grade: 2006
Grade	Eligibility status	Unweighted count of schools	Unweighted percent
4	All fourth-grade sampled public schools	360	100.00
	Eligible school	360	100.00
	No eligible students in grade	0	0.00
	Does not have grade	0	0.00
	School closed	7	1.9
	Not a regular school	1	0.28
	Other ineligible school	0	0.00
	Duplicate on sampling frame	0	0.00
8	All eighth-grade sampled public schools	460	100.00
	Eligible school	430	93.48
	No eligible students in grade	0	0.00
	Does not have grade	7	1.52
	School closed	4	0.89
	Not a regular school	11	2.39
	Other ineligible school	1	0.22
	Duplicate on sampling frame	0	0.00
12	All twelfth-grade sampled public schools	670	100.00
	Eligible school	620	92.54
	No eligible students in grade	6	0.90
	Does not have grade	5	0.75
	School closed	0	0.00
	Not a regular school	36	5.37
	Other ineligible school	0	0.00
	Duplicate on sampling frame	0	0.00
NOTE: Total and eligible school counts are rounded to nearest ten. Percentages are rounded. Detail may not add up 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), 2006.

Last updated 23 November 2009 (GF)

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