The document summarizes the Common Core State Standards Initiative, which aims to establish consistent K-12 standards in English and math that can be adopted by states. It discusses the importance of common standards, the momentum behind the initiative with 48 states and territories signed on, and outlines the process used to develop the standards with input from states and educators. It also emphasizes that fully implementing the standards will require changes to classroom instruction, materials, assessments, and policies to support student achievement.