Teacher vacancies have been a long-standing issue in U.S. public schools, only made worse by the COVID-19 pandemic. Vacancies tend to be concentrated in high-poverty, high-minority schools and hard-to-staff subjects like special education and STEM. States have implemented various policies to decrease turnover, including offering teachers bonuses…

This paper reviews the sources of and potential solutions to teacher shortages in the United States. It describes the sources of current and projected increases in teacher demand relative to enrollments, shifts in pupil-teacher ratios, and attrition. It places these in relation to recent declines in teacher supply and evaluates evidence of…