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…

Abydos is a professional development program that includes a three-week writing institute. It provides school districts with teachers who, after a year of implementation and another year of professional development, can train other teachers, thus providing ongoing staff development. The Houston Independent School District (HISD) implemented Abydos…