The Ounce of Prevention Fund is a nonprofit organization based in Chicago, Illinois, that focuses on early childhood education and development. Founded in 1982, the organization works to promote high-quality early learning experiences for children from low-income families, from birth to age five. The organization operates through multiple channels, including direct services, professional development, research, and policy advocacy. They manage the Educare Chicago school, which serves as a model for early childhood education, and partner with other Educare schools across the United States. The Ounce also provides training and technical assistance to early childhood professionals and programs. Through their policy and advocacy work, the Ounce of Prevention Fund influences public policy at local, state, and federal levels to improve early childhood systems and increase access to quality early education. They conduct research and evaluation to advance evidence-based practices in early childhood development and education. The organization collaborates with various stakeholders, including government agencies, school districts, community organizations, and other nonprofits. Their programs reach thousands of children and families annually through direct services and their broader policy initiatives impact early childhood systems nationwide. The Ounce of Prevention Fund receives funding through a combination of public and private sources, including government grants, foundation support, and individual donations.