In this study, we investigate the growth trajectory of 519 students in a vocational senior high school in Taiwan. The group-based trajectory model identifies 3 subgroups with distinct trajectories of academic achievement in Math and English. This study reveals baseline predictive factors associated with these trajectories as well as relationships…

With the passage of the Every Student Succeeds Act (ESSA) of 2015, California state policymakers are tasked with determining the subgroup threshold for school-level reporting. To inform this decision, this policy brief explores the implications of utilizing various subgroup sizes using data from the CORE Districts. The authors find that the 20+…

KIPP Delta College Preparatory School (KIPP: DCPS), an open-enrollment charter school, opened in 2002 in Helena, Arkansas. Since its opening, KIPP: DCPS students have consistently outperformed their peers in the Helena/West Helena School district, and moreover, recent test scores suggest that white students and minority students are achieving at…