Use this guide to view NIEER research by topical area. Past and current supporters of research performed by NIEER include: The Pew Charitable Trusts, Carnegie Corporation of New York, The Fund for New Jersey, Geraldine R. Dodge Foundation, The David and Lucile Packard Foundation, The Prudential Foundation, The Schumann Fund for New Jersey, Smith Richardson Foundation, Tulsa Community Foundation, and the U.S. Department of Education's Office of Educational Research and Improvement (OERI).


Access to quality prekindergarten varies across and within states. From universal to targeted to no program, find out more about enrollment in state-funded preschool programs.


Learn what the research has to say about assessments of preschool children and preschool programs. Read analyses of assessment-related issues and information about preschool program standards across the nation and in individual states.

Economics and Finance

Find out about the economic benefits of preschool as well as the costs of preschool programs and facilities, the costs of quality in preschool programs, and the short- and long-term cost-benefits of preschool programs.

English Language Learners

Gather information on culturally appropriate preschool, diversity issues related to preschool, and what is known about English language learners in preschool.

Governance and Accountability

Visit this page often to find the latest information on state and local systems of governance and accountability; collaboration among public schools, private providers, Head Start and community programs; state standards and their relationship to accountability. This page also provides information on preschool program evaluation.


Visit this page for access to resources related to cognitive, behavioral, health and social-emotional outcomes for children who attend preschool.

Quality and Curriculum

Understand the elements of quality in preschool programs and learn about the relationship of preschool quality to short- and long-term child outcomes. Find out more about the costs of quality and explore preschool curriculum options and impacts.

Special Education

Discover what research has to say about special education in preschool and inclusive preschool programs.

State Pre-K Evaluations

Visit this page for information and state-specific research on state-funded preschool programs.

State Programs

Learn about many aspects of state preschool programs including variations in state delivery systems, the history of state and universal programs, and the quality of, access to, and level of resources in state preschool programs.


Find the latest information related to teacher quality, teacher salaries and compensation, and teacher training and professional development.

Universal and Targeted

Explore NIEER's resources to gather information about, and arguments for and against, preschool programs targeted to serve at-risk children versus programs providing preschool access for all children.