As California school districts ramp up hiring efforts, they are finding that teacher preparation programs are producing fewer candidates than districts need. Further, existing programs face a variety of challenges, including fragmented approaches to teacher preparation, and failing to use classroom effectiveness as a measure of teacher quality. The result is a qualitative and quantitative gulf between school districts’ demand for teachers and preparation programs’ supply of teachers. In light of this, researchers at Bellwether propose a variety of actions that districts, charter schools, preparation programs, and state policymakers can take to increase the supply and quality of teachers, including: