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A similar comparison for public school students, however, demonstrates a substantial disparity. White public school eighth grade students score at the 57th percentile in reading and at the 58th percentile in math nationally.1 Black public school eighth grade students score at the 28th percentile in reading and the 24th percentile in math in the same national sample. Hispanic students score at the 28th percentile in math nationally. However, national figures are not available which allow proportional weighting of various minority groups to match the same proportions as are found among home schooling racial minority groups. Scores are available from the Virginia Department of Public Education which allow the scores to be weighted in a manner which matches the proportions exactly in the same ratio as are found in the home schooling sample. When the scores are weighted in this fashion, Virginia white eighth grade students score at the 61st percentile in reading while the weighted minorities score at the 49th percentile. In math the same scores show whites at the 60th percentile and minorities at the 50th percentile. Home schoolers have been able to substantially eliminate the disparity between white and minority scores even when the samples are adjusted to reflect the exact same proportion of American Indians, Asians, blacks, and Hispanics. |
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Footnote: * See Ray (1997) for more detail about the non-equal-interval nature of a simple percentile scale which has distortion especially near the ends of the scale.
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