If students tend to choose instructors with high teaching ability, a negative link between class size and student …

students in Michigan for the main analyses, and complement this with analyses from a state-year panel. The study employs … that ACT science scores improved by 0.2 points (or roughly 0.04 standard deviations) as a result of the MMC. Students who … impact on high school graduation for students who entered high school with the weakest academic preparation, but other …

to three times larger among fourth and fifth graders in North Carolina than among kindergarten and first-grade students … both low-income students and English language learners, particularly for reading achievement. Also, in North Carolina …