Septien was concise, locating mistakes and their solutions in the same vivid stroke. She highlighted the crucial moments when Kacie hit the desired mark. (“There it is.”) Septien's skill is not only her matrix of knowledge but also the lightning-fast connections she makes between that matrix and Kacie's efforts, linking where Kacie is now with actions that will take her where she ought to go.*2 Patience is a word we use a lot to describe great teachers at work. But what I saw was not patience, exactly. It was more like probing, strategic impatience. The master coaches I met were constantly
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