Calls for educational reform in undergraduate STEM education have become more prominent in recent years, particularly in introductory/foundational courses. Such reform efforts were initiated 10 years ago in the general chemistry program at the University of Arizona. In this contribution, we describe the major successes and challenges encountered…

The National Math + Science Initiative's (NMSI's) College Readiness Program (CRP) is an established program whose goal is to promote science, technology, engineering, and mathematics education in high schools to improve students' readiness for college. The program provides teacher, student, and school supports to promote high school students'…

This study focuses on how the treatment effects of a teacher professional development initiative in science differed by school capacity. In other words, the authors are primarily concerned with treatment effect heterogeneity. As such, this paper complements ongoing evaluation of the average treatment effects of the initiative over time. The…