Of course, quite a lot is known about what makes a good teacher. It just isn't widely known, let alone taught to new teachers, let alone to current teachers. S

Of course, quite a lot is known about what makes a good teacher. It just isn't widely known, let alone taught to new teachers, let alone to current teachers. See http://www.nytimes.com/2010/03/07/magazine/07Teachers-t.html?ref=magazine&pagewanted=all http://www.nytimes.com/2010/03/07/magazine/07Teachers-t.html... and the book that came out of the research featured in the article: "Teach Like a Champion".