So much hinges on student test scores, but studies show a "modest"-to-negligible link between student score and teacher effectiveness. It's time to say the emperor has no clothes. Test scores are profitable for testing companies and a handy way to fire teachers. How do kids win in this scenario? They don't.
Link between value-added ratings and classroom observations is modest at best, studies show
Ideally, there would be a healthy statistical link. It would provide some solid evidence that following DCPS prescriptives in the classroom leads to higher achievement on standardized tests.