In this announcement, the Institute of Education Sciences (Institute) requests applications for research projects that will contribute to its Special Education Research Grants program. Through the Special Education Research Grants program, the Institute seeks to expand the knowledge base and understanding of infants, toddlers and children with disabilities through advancing the understanding of and practices for teaching, learning, and organizing education systems. For the FY 2013 competition, the Institute will consider only applications that meet the requirements outlined in this Request for Applications.