In 2016, the Newport-Mesa Unified School District in southern California began the process of adopting a new math curriculum. Teachers and community members were dissatisfied with the existing program because it wasn't meeting teachers' instructional needs or students' learning needs. Public dissatisfaction made it imperative to involve teachers and the community in the process. This article details each the phases of the adoption process the school district used and illustrates how incorporating professional learning into the adoption process has positioned teachers, and ultimately students, for success. Guiding principles are outlined, and the authors share their top recommendations regarding what they have learned about professional learning and instructional materials through this process. Additional resources are also provided.