The Common Core State Standards Initiative will enter a critical period during the 2014-15 school year. Several states have recently reversed course on adoption of the mathematics and English/language arts standards, as vocal opposition gains prominence elsewhere. Despite fraying of the two national consortia developing assessments tied to the new standards, schools are preparing for the first full-scale administration of those common-core-aligned tests. All the while, educators continue their efforts to put the standards into practice. Against this dynamic backdrop, the Education Week Research Center takes stock of educators’ readiness to teach the common core, their access to high-quality curricular materials and training, and their students’ readiness to master the demands of the new standards. The report—From Adoption to Practice: Teacher Perspectives on the Common Core—draws on a national survey of teachers fielded during the 2013-14 school year, and follows a similar survey conducted a year earlier.