In my essay I wrote that you are suggesting that 'expert' teachers are the ideal, i.e., the level that 'more' teachers should reach for education to be improved all round.

Modified on Mon, 14 Oct at 2:59 PM

And expert means they maximise their impact – it is not HOW they teach but the impact of their teaching that is higher” (John Hattie, personal communication, March 13, 2018).