84%. The school attendance rate of six-year-olds has not decreased; rather, they are increasingly likely to be enrolled … the change can be proximately explained by changes in school entry laws; the rest reflects "academic redshirting," the … attainment of six-year-olds reverberates well beyond the kindergarten classroom. Recent stagnation in the high school and college …

raising the difficulty of the test causes students to finish high school rather than drop out and GED certify. We find that a …