NAEP Technical DocumentationSampling Frame for the 2015 State Assessment

			Fourth- and Eighth-Grade Schools and Enrollment in Public School Sampling Frame New-School Sampling Frame

Drawing the school samples for the 2015 assessments required a comprehensive list of public schools in each jurisdiction containing information for stratification purposes. As in previous NAEP assessments, the Common Core of Data (CCD) file developed by NCES was used to construct the sampling frame. The CCD file corresponding to the 2012-2013 school year provided the frame for all regular and state-operated public, Bureau of Indian Education (BIE), Department of Defense Education Activity (DoDEA) schools, and schools in Puerto Rico.

The sampling frame excluded ungraded schools, vocational schools with no enrollment, special education-only schools, prison and hospital schools, virtual or online schools, home-school entities, and juvenile correctional institutions. 

For quality control purposes, school and student counts from the NAEP 2015 sampling frame were compared to school and student counts from the previous frame (2014). No revisions to the frame were needed as a result of this check.

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