Montessori Pedagogical Standards Each classroom is staffed by a Montessori trained guide or co-guides from an accredited training organization. Each classroom includes a sufficient number of students to create a vibrant community of independent learners. Each classroom contains the full complement of Montessori didactic materials appropriate to the level. Each classroom is organized into mixed age groups based on stages of development to encourage collaborative learning. Each classroom schedule includes uninterrupted work periods during which students engage in independent learning. Each classroom is characterized by an atmosphere of respect for purposeful work and joyful learning. Each classroom and the school community as a whole consciously commits to modeling grace and courtesy. Each classroom and the school community as a whole engage in responsible practices that steward the natural world. 22