2019-04-092019-04-092016http://hdl.handle.net/20.500.12265/12Teachers have long known that students learn differently, and learn more or less, depending on various instructional approaches. They have used this understanding to personalize learning as much as is possible in classrooms with 20, 25, or more students. However, these educators have largely been on their own, without many structured supports—curriculum, pedagogy, tools, and resources specifically designed to support personalization strategies. The growing diversity within today’s classrooms underscores the necessity for a more deliberate, supported shift to a learner-centered education system.en-USlearner variabilityTechnical Report