Without optimism & self-belief among teachers, classrooms become wastelands of boredom & routine and schools deserts of lost opportunity.
In collaborative cultures, failure and uncertainty are not protected but shared and discussed to gain support.
You cannot switch teachers on and off as if they were PowerPoint presentations.
We should test prudently; not profligately.
On being: Arrogance is not the prerogative of the gifted.
The quality & morale of teachers is absolutely central to the well being of students and their learning.