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NAEP Assessment Sample Design → NAEP 2007 Sample Design → Sample Design for the 2007 National Assessment → 2007 Twelfth-Grade Public School National Sample → Ineligible Schools for the 2007 Twelfth-Grade Public School National Assessment

NAEP Technical DocumentationIneligible Schools for the 2007 Twelfth-Grade Public School National Assessment

The Common Core of Data (CCD) public school file from which most of the sampled schools were drawn corresponds to the 2004-2005 school year, some 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 ineligible schools, and their eligibility by status, for the school samples.

NAEP twelfth-grade sample public schools, by eligibility status: 2007

Eligibility status	Unweighted count of schools	Unweighted percent
Total	580	100.00
Eligible schools	550	94.83
Has sampled grade, but no eligible students	#	#
Does not have sampled grade	10	1.72
Closed	10	1.72
Not a regular school	20	3.45
# Rounds to zero. NOTE: Details may not sum to totals due to rounding. Percentages based on rounded counts. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007.

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