Data is so deeply woven into the fabric of people's lives that it is next to impossible to imagine what a data-free life would be like. But despite the centrality of data in everyone's personal lives, when people talk about data in schools, their comments are often negative. The authors of this article believe "data" should not be a dirty word. In fact, they believe that gathering, interpreting, and sharing data are all essential parts of effective instructional coaching. In this article, they argue how data should be embraced, not shunned, because it can improve student learning and well-being, accelerate professional growth, and build teacher morale.