As part of an ambitious vision for mathematics equity and achievement, the School District of Philadelphia (SDP) adopted Illustrative Math (IM) for the district-wide K-12 math curriculum in 2023-24. In Year 1, the Office of Research and Evaluation conducted focus groups to answer the question: What were the barriers and facilitators to implementing Illustrative Math with integrity? This slide deck summarizes the findings from these focus groups and provides recommendations for continuing to improve the implementation of Illustrative Math.