To create a Montessori classroom, you need a prepared environment with specially designed materials tailored to the sensitive periods and characteristics of children in the particular plane of development. You need a prepared directress to connect the children to the prepared environment. And you need the children. Many adults who study Montessori feel strongly that it is the best way to educate children. Some of these adults go on to become Montessori directresses. These directresses-in-training learn the history of Montessori education and the facets of its theory. They learn precise purposes and extensions of materials and the ways to present them. They study details such as how to walk across a classroom, how to position one’s body when talking to a child, how to use encouragement instead of praise, and the list goes on. Through observation, these directresses learn to follow the child. Some directress training happens in lectu...