This single site case study investigated the phenomenon of narrowly missed on-time graduation (bachelor's degree completion within four years rather than five) among first-time, full-time undergraduate students at one private residential college in the Northeastern United States. Lengthening time to an undergraduate degree is a national trend; the…

This research is comprised of a three-part examination of equity, access, achievement, and learning in precollege physics. The first study examined teacher-level and school-level predictors of student performance in physics, with a focus on isolated teachers in New York during the 2016-17 academic year. Results indicated 40% of physics teachers…

Equitable access to advanced science coursework paired with highly qualified teachers is vital to improving the performance and persistence of students in STEM, particularly students traditionally underrepresented in related fields. This dissertation explored predictors of high school physics and chemistry teacher retention, as well as…