Why sacrificing chickens will not help us evaluate teachers’ performance
Intellectually, philosophically, morally, the argument over whether teachers' performance should be evaluated by grading their teaching by means of a lesson observation has been won. Ofsted have accepted the crushing weight of evidence that, despite what some people may choose to believe, there is no validity or reliability to such a grade. Unsurprisingly, there are many benighted souls who choose wilful ignorance over enlightenment and insist on continuing a practice which has less accuracy than a coin toss. Last week the TES published an article from just such an individual arguing that grades were still a good idea in the Further [...]