This free online session is designed to help observers fine-tune their skills and strengthen their understanding of the CLASS® tool. Led by a Teachstone instructor, it offers participants access to videos, feedback & scoring results, and explanation of coding justifications. It is open to all CLASS®-certified Reliable Raters who are: - Preparing to recertify and will take the recertification test soon - Planning to conduct spring CLASS® observations - Interested in refreshing their coding skills - In the process of certifying for the first time (just completed an Observer training) A recording will be available after the webinar to all who have registered.