Background: The Framework for K-12 Science Education (NRC, 2012) and Next Generation Science Standards ([NGSS] NGSS Lead States, 2013) emphasize that all students from the earliest grades onward must have the opportunity to learn and actively participate in authentic science. In K-12 science instruction, this means that students should have the…

NGSS Early Implementers is a four-year initiative created to help eight California school districts and two charter management organizations, supported by WestEd's K-12 Alliance, implement Next Generation Science Standards. The Initiative focuses on NGSS implementation in grades K-8 and incorporates the integrated course model (preferred by the…