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NAEP Technical DocumentationSampling Frame for the 2012 Public School Economics Assessment

			Schools and Enrollment in Public School Sampling Frame New-School Sampling Frame

Drawing the school samples for the 2012 economics assessment 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 2008-2009 school year provided the frame for all regular public, state-operated public, Bureau of Indian Education (BIE), and Department of Defense Domestic Dependent Elementary and Secondary Schools (DDESS).

The sampling frame was restricted to schools located in the primary sampling units (PSUs) selected for the NAEP 2012 economics assessment. In addition, the sampling frame excluded ungraded schools, vocational schools with no enrollment, special-education-only schools, homeschool entities, prison or hospital schools, and juvenile correctional institutions.

For quality control purposes, school and student counts from the sampling frame were compared to school and student counts from previous public school frames for twelfth grade.  No major discrepancies were found.

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