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NAEP Assessment Sample Design → NAEP 2007 Sample Design → Sample Design for the 2007 National Assessment → 2007 Private School National Assessment → Sampling of Schools for the 2007 National Private School Assessment → Frame and New School Sample Sizes for the 2007 National Private School Assessment

NAEP Technical DocumentationFrame and New School Sample Sizes for the 2007 National Private School Assessment

The following table presents the number of schools selected from the private school sampling frame (constructed from the Private School Universe Survey file) and the new-school sampling frame, for fourth, eighth, and twelfth grade, by school type.

NAEP private school frame-based and new school samples, by grade and school type: 2007

Grade and private school type	Frame school sample	New-school sample	Total school sample
# Rounds to zero. NOTE: School counts are rounded to nearest ten. Detail may not sum 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), 2007.
All fourth-grade private sampled schools	410	#	410
Catholic	120	#	120
Non-Catholic private	260	0	260
Unknown affiliation	30	0	30
All eighth-grade private sampled schools	540	#	540
Catholic	170	#	170
Non-Catholic private	350	0	350
Unknown affiliation	30	0	30
All twelfth-grade private sampled schools	270	0	270
Catholic	70	0	70
Non-Catholic private	180	0	180
Unknown affiliation	30	0	30

   

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