Teacher license reciprocity allows educators who hold a teaching license in one state to earn a license in another state, subject to meeting state-specific requirements. Reciprocity agreements allow states to work through variations in licensing systems to coordinate license transfers and fill vacant teaching positions with qualified candidates.…

Education researchers and policymakers agree that teachers differ in terms of quality and that quality matters for student achievement. Despite prodigious amounts of research, however, debate still persists about the causal relationship between specific teacher credentials and student achievement. In this paper, we use a rich administrative data…