PACE's new report, "PreK-3 Alignment in California's Education System: Obstacles and Opportunities" by Rachel Valentino and Deborah J. Stipek, reviews the opportunities and challenges that must be addressed to better align PreK-3 education in California. The report describes policies and practices that districts have implemented to strengthen alignment; and identifies the main barriers that districts and schools encounter when attempting to align preschool and the elementary grades. (author abstract)