Active learning pedagogical practices are more effective than instructor-centered teaching in building students' knowledge, skills, and understanding of engineering content and concepts. As such, a large-scale professional development (PD) program was created to move faculty toward the use of active learning. The project aimed to engage faculty in…

In an effort to reduce viral transmission, many schools are planning to reduce class size if they have not reduced it already. Yet the effect of class size on transmission is unknown. To determine whether smaller classes reduce school absence, especially when community disease prevalence is high, we merge data from the Project STAR randomized…