Besides that, having children of different ages and stages together in the classroom mimics the real world, teaching students how to get along with people of different ages and interests.
Multi-age groupings of children are a unique classroom component of the Montessori program. The reason for multi-age groupings within the classroom is twofold: Younger students naturally learn more from their older peers, and older students tend to retain more information when they teach it to younger ones. Besides that, having children of different ages and stages together in the classroom mimics the real world, teaching students how to get along with people of different ages and interests.