Background: Sedentary behavior is a public health issue associated with obesity and other chronic health problems. The need for interventions is especially pressing for girls, who have lower levels of physical activity (PA) than boys do, and who are more likely to be overweight and to experience negative emotional states as they approach…

Education leaders in Virginia use early access to Algebra I as one method to provide students more time to take college preparatory courses in high school, thereby increasing students' likelihood of graduating prepared for college and careers. Yet, little data are available for these leaders to examine whether their approach is warranted. Members…

This document provides the two appendixes that accompany the full report, "Algebra I and College Preparatory Diploma Outcomes among Virginia Students Who Completed Algebra I in Grades 7-9." Appendix A, "Methods," details the data sources, study population, and analysis methods used in the study. Appendix B, "Supporting…

Education leaders in Virginia use early access to Algebra I as one method to increase students' likelihood of graduating from high school prepared for college and careers. This study used administrative data to calculate descriptive statistics on Algebra I outcomes and attainment of college preparatory diplomas among students by their grade 5 math…

This study hypothesized that HISD prekindergarten participation consistently correlated with better educational outcomes for students. Taking into account students' age differences through kindergarten enrollment, propensity score matching controlled for students' background characteristics. Three cohorts of students in this study were eligible or…