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NAEP Sample Design → Sample Design for the 2000 Assessment → National Main Assessment Sample Design in 2000 → Sampling Frame for the 2000 National Main Assessment → School Substitution for Adjusting School Nonresponse in the 2000 National Main Assessment → Original Sample Schools With and Without Substitutes in the 2000 National Main Assessment

NAEP Technical DocumentationOriginal Sample Schools With and Without Substitutes in the 2000 National Main Assessment

The table below shows the number of schools with and without substitutes by grade and school type. A nonparticipating original school was replaced by a substitute when the nonparticipating school was considered a final refusal.

Original sample schools with and without substitutes and number of participating substitute schools, by grade and school type, national main assessment: 2000

Schools	Total	Number of grade 4 public schools	Number of grade 4 private schools	Number of grade 8 public schools	Number of grade 8 private schools	Number of grade 12 public schools	Number of grade 12 private schools
All original sample schools	3,540	580	820	480	720	320	620
With assigned substitutes	2,000	440	440	310	370	90	350
Without assigned substitutes	1,540	130	380	170	350	230	270
Participating substitute schools	120	20	30	10	30	10	30
NOTE: Detail may not sum to total because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000.

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