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NAEP Technical DocumentationSchool Response Rates for the 2018 U.S. History Assessment

The following table presents counts of eligible sampled schools and participating schools, as well as weighted school response rates, for the 2018 U.S. history assessment. The weighted school response rates estimate the proportion of the student population that is represented by the participating school sample prior to substitution.

School response counts and rates for public and private schools before substitution, U.S. history assessment at grade 8, by school type, geographic region, and affiliation: 2018
School type and
geographic region/affiliation
Number of
eligible sampled schools
Number of
participating schools
Weighted school response rate
prior to substitution (percent)
National all11,030 800 81.82
National public760 640 84.44
  Northeast public110 100 94.60
  Midwest public150 110 71.19
  South public310 260 86.13
  West public200 170 86.37
National private270 150 48.66
  Catholic80 70 85.85
  Non-Catholic190 80 27.28
1Includes national public, national private, Bureau of Indian Education, and Department of Defense Education Activity schools located in the United States.
NOTE: National public includes students from public schools only. It includes charter schools, but excludes Bureau of Indian Education schools and Department of Defense Education Activity schools. It is used when comparing national data to those of states, urban districts, or regions. School counts are rounded to nearest ten. Detail may not sum to totals because of rounding. Percentages are based on unrounded counts.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Social Sciences Assessment.


Last updated 09 December 2022 (PG)