The adoption of "A Framework for K-12 Science Education" and the Next Generation Science Standards (NGSS) across the U.S. requires that the field of science education develops high-quality instructional materials. This need is particularly urgent as schools and districts are expected to design or adapt instructional materials for an…

We address issues of science curriculum for nonmainstream students--students of color, students learning English as a new language, and students from low-income families--who are often concentrated in urban schools. First, we describe a theoretical framework for equitable learning opportunities with nonmainstream students. Building on this…

This research examined the impact of the first-year implementation of an instructional intervention to promote achievement and equity in science and literacy for culturally and linguistically diverse elementary students. The research addressed three areas: (a) overall science and literacy achievement, (b) achievement gaps among demographic…