How superintendents and central office can support the teacher evaluation cycle: calibration, protected time, evaluator training, monitoring, and backing the hard calls (not just mandating it).
How long does it take to write a teacher evaluation? Commonly one to three hours per teacher, and 11 to 15 hours for a substantive one, mostly in the write-up, not the observation. What the research says, and how to get some of it back.