By examining the effects of a national-scale teacher professional development (PD) program on instructional practices and student mathematics achievement, we contribute to calls for empirical studies investigating the impacts of such programs conducted at scale. The program corresponds well with core critical features of high-quality teacher PD…

"Data Notes" is a bimonthly publication that examines data to illuminate the challenges facing Achieving the Dream colleges and to chart their progress over time. Gateway courses generally include the first college-level English and math courses students are required to take. Increasing the number of students who attempt gateway classes…

Using data from Achieving the Dream: Community Colleges Count, this issue of "Data Notes" looks at student developmental education and gateway course outcomes by gender. The data show that more than half of students were referred to developmental math, with female students being more likely to be referred than male students. Females were more…