Differences in Performance WITHIN Schools: Why So Much Greater Than in Other Countries?
Recently in a Top Performers opinion piece in Education Week, Marc Tucker explored the reasons why differences in teacher performance within schools are so prevalent in America and more rare in other countries. Excerpts from the piece appear below: According to an OECD analysis of variation of student performance in science, between-school variation accounts for Read more about Differences in Performance WITHIN Schools: Why So Much Greater Than in Other Countries?[…]