E-School News – Hilary Scharton
“We once believed that teacher effectiveness dramatically increased for the first three to five years on the job and then plateaued. But recent research suggests that substantial growth in effectiveness can be seen for the first 12 years on the job, and likely longer. This suggests that teacher quality develops over time and that experience can influence effectiveness. We also know that students who have highly effective teachers for three years in a row can score 50 percentile points higher on achievement tests than students who have less effective teachers three years in a row.” (more)