Why are there more children in a Montessori classroom? 🌿 Dr. Maria Montessori observed that a mixed-age community of about 24–35 children works beautifully when guided by a trained Montessori teacher. The balance of ages allows younger children to learn through observation, older children to strengthen mastery by helping others, and everyone to develop independence and patience. Instead of one teacher managing a crowd, the Montessori guide observes, presents lessons in small groups, and follows