This guide discusses twelve preschool to third grade (P-3) issues, including preschool; transitions; kindergarten through third grade; full-day kindergarten; third-grade reading and math; high-quality programs; aligned standards, curricula, and assessments; funding; governance; the workforce; dual language learners; and special education. Each of the guide's sections includes an overview of the topic, the topic's importance, states' initiatives, state examples, questions to consider, and additional resources.