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The following table displays the school- and student-level response and exclusion rates for the grade 4 science bridge assessment. Various weights were used in the calculation of the rates, as indicated in the column headings of the table.
School type | Number of schools in the original sample, rounded | School participation rates (percent) before substitution (weighted by base weight and enrollment) | School participation rates (percent) before substitution (weighted by base weight only) | School participation rates (percent) after substitution (weighted by base weight and enrollment) | School participation rates (percent) after substitution (weighted by base weight only) | Number of students sampled, rounded | Weighted percent of students excluded | Weighted student participation rates (percent) after make-ups | Weighted percent of assessed students accommodated |
---|---|---|---|---|---|---|---|---|---|
National all1 | 820 | 94.60 | 88.27 | 97.02 | 92.39 | 18,300 | 3.86 | 93.91 | 7.32 |
National public | 590 | 98.14 | 97.36 | 98.52 | 97.61 | 16,900 | 4.24 | 93.93 | 7.82 |
National private | 230 | 63.53 | 68.48 | 83.89 | 81.02 | 1,400 | 0.30 | 93.77 | 2.61 |
Catholic | 60 | 60.96 | 63.48 | 89.48 | 89.56 | 600 | 0.18 | 94.04 | 1.53 |
Non-Catholic private | 170 | 65.59 | 70.16 | 79.41 | 78.14 | 800 | 0.39 | 93.51 | 3.50 |
1 Includes national public and national private schools. NOTE: Numbers of schools are rounded to nearest ten, and numbers of students are rounded to nearest hundred. Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005 Science Bridge Assessment. |