How teacher evaluation software is priced, and why the price is the wrong thing to focus on. The real return is the hours of leadership time it recovers. Here's the math that turns the cost into a rounding error.
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.