In fact, because traditional pension plans push out veteran teachers, and because those veterans tend to be better than their replacements, pension plans are actively harming overall teacher quality. (educationnext.org)
Children in high - turnover schools did worse even if their own classroom teacher was not new, and even if overall teacher quality at the school remained constant. (vox.com)
The study also shows that the departure of teachers who were identified by IMPACT as low - performing resulted in substantial improvement in overall teacher quality and student achievement. (sciencedaily.com)