For more than four decades, researchers, policymakers, professional educators, and the philanthropic community in education have wrestled with how to scale up promising pockets of reform. Centering equity in scaling efforts means working with and prioritizing students who have historically lacked access to powerful learning opportunities,…

Districts across the country are facing severe shortages of teachers--especially in certain subjects (math, science, special education, career and technical education, and bilingual education) and in specific schools (urban, rural, high-poverty, high-minority, and low-achieving). The severity of the teacher shortage problem varies significantly by…