How much can we expect teachers to improve in their first few years on the job? (educationnext.org)
The existing salary schedule rewards teachers too little for the substantial improvements they post in the first few years on the job, and too much for the later years of their career, when they show only incremental advances. (educationnext.org)
Nevertheless, the results contrast sharply with the view that the effectiveness of individual teachers is essentially fixed after the first few years on the job. (educationnext.org)