Teachers are the most important driver of student growth, and districts are spending on average $ 18,000 per teacher per year on development efforts. (schools.bloomboard.com)
The districts and charter school network that were the focus of the study spent nearly $ 18,000 per teacher per year on professional development. (governing.com)
If the school's district needed to hire 300 teachers per year before, it needs to hire 450 now. (educationnext.org)