Center for Research and Evaluation in Social Policy (CRESP) - Publications and Research Reports
Center on Standards, Alignment, Instruction, and Learning - Publications
Community Based Mathematics Project of Philadelphia - Publications
Consortium for Policy Research In Education (CPRE) - Publications
Institute for Research on Higher Education (IRHE) - Research
National Center on Adult Literacy / International Literacy Institute - Publications
Many organizations will have valuable and authoritative materials. Here are a couple ways to identify organizations: