Prospective longitudinal data collection is an important way for researchers and evaluators to assess change. In school-based settings, for low-risk and/or likely-beneficial interventions or surveys, data quality and ethical standards are both arguably stronger when using a waiver of parental consent--but doing so often requires the use of…

Over the past decade, charter schools have been among the fastest-growing segments of the K-12 education sector in Chicago and across the country. This report addresses several key issues related to charter schools using student-level data provided by Chicago Public Schools. Students leaving traditional public schools for charter schools in…