We study the relationship between school organizational contexts, teacher turnover, and student achievement in New York City (NYC) middle schools. Using factor analysis, we construct measures of four distinct dimensions of school climate captured on the annual NYC School Survey. We identify credible estimates by isolating variation in organizational contexts within schools over time. We find that improvements in school leadership especially, as well as in academic expectations, teacher relationships, and school safety are all independently associated with corresponding reductions in teacher turnover. Increases in school safety and academic expectations also correspond with student achievement gains. These results are robust to a range of threats to validity suggesting that our findings are consistent with an underlying causal relationship.

Substantial teacher turnover poses a challenge to staffing public schools with effective teachers. The scope of the teacher retention challenge across school districts, however, remains poorly defined. Applying consistent data practices and analytical techniques to administrative data sets from 16 urban districts, we document substantial cross-district variation in teacher retention rates. Observable characteristics do not easily explain this cross-district variation. We also find considerable crossdistrict variation in key results from the retention literature, including the relationship between retention and both experience and estimated effectiveness. Finally, we explore the influence of temporary leaves of absence and cross-district, within-state movement on retention estimates. Accounting for cross-district movement matters little, while accounting for temporary leaves matters a great deal in many districts and tends to exacerbate cross-district differences in retention rates.

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