There is a growing body of research that suggests the first year of high school is a critical transition point for students. It also finds course-taking and successful completion of those courses in 9th grade to be valuable predictors of students' success in high school. The Every Student Succeeds Act (ESSA) provides states an opportunity to…

When using time series accountability data to evaluate system-wide education policies, concurrent changes often pose threats to internal validity. The standard difference-in-differences (DID) method resorts to a non-equivalent comparison group whose average outcome change is due to such confounding. This strategy relies on the strong assumption…

The transition into high school is a critical point in the educational pipeline, and ninth-grade can be characterized as one of its leakiest junctures. This policy brief examines how some states and districts are currently easing the transition into high school for students. It focuses on five key challenges that states, districts and schools…