This technical report provides impact and implementation fidelity results from SRI’s Evaluation of the Pathway to Academic Success Project –i3 Validation Grant. The Pathway Project is a teacher professional development program designed by the University of California, Irvine Writing Project to enhance classroom literacy instruction so that English learners and their peers in high-need schools are prepared for success in core academic subjects and meet the Common Core State Standards for English Language Arts. The program is funded through a U.S. Department of Education Investing in Innovation (i3) validation grant.