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​​​​NAEP Technical DocumentationSchool Sample Sizes: List Frame-Based and New-School Sampling Frames for the 2019 Twelfth-Grade Private School National Assessment

The following table presents the number of schools selected for the twelfth-grade private school sample by sampling frame (Private School Universe Survey [PSS]-based and new-school) and private school affiliation. 

Number of schools in the total, PSS-based and new-school samples, grade 12 private national assessment, by school type: 2019
School typeTotal school samplePSS-based school sampleNew-school sample
​All private4604600
Catholic90900
Non-Catholic private3503500
Unknown afffiliation30300
NOTE: Numbers of schools 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),2019 National Mathematics, Reading, and Science Assessments.

Last updated 14 September 2023 (PG)