This report provides a first look at selected findings from the first follow-up of the High School Longitudinal Study of 2009 (HSLS:09). HSLS:09 focuses on understanding students' trajectories from the beginning of high school into higher education and the workforce. The core research questions for the study explore secondary to postsecondary…

For years, colleges have used placement exams to determine whether to deem incoming students "college ready" or assign them to developmental education. But emerging information reveals the tests have little correlation to students' future success, casting doubt on their use even as the high stakes for students of taking remedial courses…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…