The phrase "superintendent turnover" refers to the rate at which school district superintendents are leaving their positions and being replaced by new ones. Full definition
Urban school superintendent turnover is already a major problem. (eduflack.com)
The problem of rapid superintendent turnover is being exacerbated by a shortage of attractive candidates for the job. (edweek.org)
They are implementing entirely new approaches in varied contexts — union and non-union, small town and big city, well - funded and not — and often in challenging circumstances, such as superintendent turnover and severe state policy constraints. (educationnext.org)