The State of Preschool: What Works and Policy Lessons Learned Over 22 Years

In the rapidly evolving landscape of early childhood education, how do we ensure that policies not only keep up—but lead the way forward? For more than two decades, one constant has guided the national conversation: NIEER’s State of Preschool Yearbook. Now in its 22nd year, our seminal report remains the only annual, comprehensive national assessment of state-funded preschool programs, tracking trends in access, funding, and policy quality across all 50 states.