NAEP Technical DocumentationIneligible Schools for the 2015 State Assessment

			Eligible Schools Sampled  Ineligible Sampled Schools by Ineligibility Type

The Common Core of Data (CCD) public school file from which most of the sampled schools were drawn corresponds to the 2012-2013 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 school was coded as ineligible.

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