First, what is coaching?
Teacher coaching involves “instructional experts work[ing] with teachers to discuss classroom practice in a way that is” individualized, intensive, sustained, context-specific, and focused.
What’s the finding?
“We find large positive effects of coaching on teachers’ instructional practice,” the authors write… Similarly, the 21 papers that looked at student achievement found notable positive results, on average.
But before you get too excited
When the research examines large-scale programs (with more than 100 teachers involved), the benefits, relative to small coaching initiatives, are cut roughly in half.