Coherence among components of an instructional system is key to changing teachers' instructional practices in standards-based reforms. Coherence involves working across traditional silos--or system components (e.g., curriculum, professional learning, assessment)--to integrate components to avoid fragmentation of experiences for educators and…

In this paper, we report on teachers' use of curricula and other instructional resources to address Common Core State Standards (CCSS), as well as how use of instructional materials is related to instructional practice. We draw on data from the American Teacher Panel, a nationally representative sample of teachers who periodically provide…