Like any other educational innovation, the coaching of teachers must be used with fidelity in order to achieve its intended outcomes. Although fidelity is often thought of as adherence to the “key ingredients” of the innovation, it also includes aspects such as quality, responsiveness of the participants (e.g., coach responsiveness to teacher needs), and dose. This means that fidelity in coaching should continuously adhere to the effective practices of observation, modeling, delivery of performance feedback, and use of alliance-building strategies. Furthermore, coaching should occur with sufficient frequency and duration, ensure that teachers are engaged with the coaching session such that their needs are being met, and be of high quality.