Guidelines for teaching California's students have changed dramatically in recent years, as state leaders have adopted new academic standards, curriculum frameworks, and instructional materials lists in an attempt to better prepare students for college and career. However, adopting high-quality standards and curriculum materials does not guarantee…

Over the course of six years, a diverse group of school districts and charter management organizations in California ran a substantial experiment in implementing the Next Generation Science Standards (NGSS) in elementary and middle grades. WestEd led an extensive evaluation of that effort, the California K-8 NGSS Early Implementers Initiative,…