The Houston Independent School District (HISD) has provided free prekindergarten classes for eligible Houston area four-year old students since the 1985-1986 school year. HISD offers full-day prekindergarten programs to all eligible students within its attendance boundaries. HISD collaborates with four federally-funded Head Start agencies that…

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…

In the 1995-96 school year, the 16th year of the Arizona Pupil Achievement Testing Program, the state Board of Education mandated testing for grades 4, 7, and 10. The Iowa Tests of Basic Skills (ITBS) were administered at grades 4 and 7, and the Tests of Achievement and Proficiency (TAP) at grade 10. Test scores are reported by subject, subtest,…

Gender differences in achievement were studied in five academic areas: (1) vocabulary; (2) language usage; (3) reading; (4) mathematics problem solving; and (5) using sources of information. Standardized achievement test scores for a sample of 3,002 students (1,642 females and 1,360 males) who were tested in each of 10 consecutive years, grades 3…