A quick follow-up to Joseph's last post, particularly his use of the late Jaime Escalante as an example.
Perhaps the central assumption of the reform movement is the belief that the best way to fix education is by identifying and and retaining great teachers (generally defined as those who can dramatically raise students' test scores). Quite rightly, Escalante is the first name that comes to most people's mind when they hear about this, but his career suggests that being a great teacher is a necessary but not sufficient condition for getting great results.
Something is assortative in the state of Denmark
19 minutes ago