Intense focus on accountability and teacher effectiveness in recent years has expanded the thinking around instructional coaching. While instructional coaching occurs at nearly every school, the purpose of coaching and the formats used vary widely among schools. It’s not surprising that such variety exists given that, while research suggests coaching supports the success of improvement initiatives (Hubbard, Mehan, & Stein, 2006; Stein & D’Amico, 2002), little evidence exists that explains how it happens.
What we do know, from researchers like Bruce Joyce and Beverly Showers (2002), is that the most effective professional learning for teachers includes a combination of different types of learning opportunities: introduction of research and theory; demonstration of new practices; opportunities to apply new knowledge through deliberate practice; and instructional coaching that includes ongoing, descriptive feedback. Of these, Joyce and Showers found coaching was the one learning opportunity that had to be present for teachers to translate new knowledge and skills into their practice.