Low-income students and students of color are faced with pervasively lower levels of opportunity to learn compared with their peers, creating unequal opportunities for educational success. Textbooks, which serve as the backbone of the curriculum in most mathematics classrooms, present a potentially powerful tool to help mitigate unequal…

The current study examined preschoolers' (N = 801) age-related performance on one measure of verbal counting and two measures of cardinality ("how many" and "give n") aligned with the kindergarten Common Core State Standards for Mathematics (CCSSM) and included in the majority of states' early learning guidelines for…

The Common Core State Standards in Mathematics and Next Generation Science Standards encourage substantial shifts in teaching, but how to enact change is not specified. This mixed-methods exploratory study shows how different implementation supports were related to teachers' use of standards-aligned instructional practices in the Chicago Public…

Existing literature on the impact of Common Core State Standards in Math has shown little benefit, but it has not examined variation in outcomes based on implementation strategies, student subgroups, or outcomes other than test scores. We use a difference-in-differences approach with school fixed effects to compare outcomes in pre- and…

Policymakers have long sought to raise expectations for students through standards-based reform. I examine the extent to which the Common Core State Content Standards (CC) affected student achievement and the size of achievement gaps. I merge together data on preparation for and implementation of the CC with the National Assessment of Educational…

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.

We argue that large-scale, standards-based improvements in the teaching and learning of mathematics necessitate advances in our theories regarding how teaching affects student learning and progress in how we measure instruction. Our theory--an embodiment of the interaction of high and low levels of two constructs that past research has shown to…

Research focused on emotionally supportive teaching has typically run in parallel to the study of rigorous, standards-aligned mathematics teaching. However, recent work theorizes that positive and warm classroom environments may be necessary to help students meet the ambitious goals outlined in newer mathematics standards. We analyze the…

The article examines the results of two quasi-experimental studies of the implementation and impact of the Literacy Design Collaborative (LDC), an intervention designed to support secondary teachers' transition to Common Core State Standards in English language arts. The first study examines LDC implementation by eighth-grade social studies and…

The Common Core State Standards (CCSS) require students to read grade-level text with "scaffolding as needed." The current study examines the effectiveness of interactional scaffolding, which is responsive in-person support an expert provides to a novice reader in order to support the reader's comprehension during reading instruction,…

Using state-representative teacher surveys in three states--Texas, Ohio, and Kentucky--we examine teachers' implementation of college- and career-readiness (CCR) standards. What do teachers report about the specificity, authority, consistency, power, and stability of their standards environment? How does their policy environment predict…

Developing instructional capacity in schools is a central challenge of the Common Core movement. Most conceptualizations of capacity building focus on infusing externally generated professional development into schools. In this article, we explore the professional resources that reside inside schools that might be utilized to develop instructional…