Five years into the Common Core initiative, researchers and the general public are interested to know whether and how the standards are "working." In this introduction to the special topic, I discuss the state of the literature on these questions and offer suggestions for what I view as the most important work moving forward.

Advocates of more connected approaches to teaching the STEM subjects argue that such integration, especially in the context of real-world issues, can make these fields more relevant to students and ultimately increase their motivation and achievement. However, there is little research on how best to integrate the STEM disciplines or on what…

The early years of the implementation of the Common Core State Standards (CCSS) in California were complicated by the Great Recession as well as by a significant devolution of finance and programmatic control to the local level through the Local Control Funding Formula. The state charted a steady course and took a systematic approach to CCSS…