The Enhanced Language and Literacy Success (ELLS) Project, funded through the U.S. Department of Education's Early Reading First initiative, was designed to enhance the quality of language and literacy instruction in prekindergarten classrooms and help participating children develop the language, conceptual knowledge, and emergent literacy skills necessary for a successful transition to formal schooling. The project was conducted between 2008 and 2012 and was a collaboration between the Department of Teaching and Learning at Vanderbilt University's Peabody College and the Metropolitan Nashville Public Schools (MNPS). The Nashville Public Library and the YMCA of Middle Tennessee collaborated with project staff to offer family literacy events and a two week summer camp. The Peabody Research Institute at Vanderbilt University served as the independent evaluator on the project. This report presents the final evaluation results from the four year project. (author abstract)