In partnership with Ontario’s Principals’ Council, Corwin (a publisher of PreK–12 professional learning resources) organized a two-day institute around Visible Learning research. Keynotes John Hattie, Jenni Donohoo, John Almarode, and Olivia Amador-Valerio will contribute to professional learning about creating Visible Learning Schools. The second day is dedicated to Visible Learning Mathematics, when John Almarode will talk about what works best in the teaching and learning of mathematics and how to maximize learner growth and achievement. Participants will be actively engaged in doing mathematics during the session.