Most of those states have experienced four to five straight years of elevated teacher turnover, compounding the losses year after year. [See our entire analysis of teacher turnover across 21 states including detailed data from each state. You can also watch our online event about teacher turnover.] A teacher turnover dip, then a sustained riseThere is no comprehensive national data on teacher exit rates. High-poverty schools, which struggled with teacher churn before the pandemic, likely suffered the most from the turnover spike.