High-quality instructional materials (HQIM) can make a real difference in student learning. But purchasing HQIM is only the first step in the process of ensuring that students benefit. The Guide to the Implementation of HQIM synthesizes advice from practitioners and researchers about how to encourage solid execution of plans and realize the full benefits of well-chosen materials. The guide provides links to videos from state education agency and local district leaders about their experiences with selection and implementation of HQIM and suggestions for phasing, responsibilities for those in different roles, and links to monitoring and observation tools.