Child Development Stages: Montessori Planes of Development

​ Montessori asserted that each plane begins with an intense period of construction (progression), followed by a period of consolidation (retrogression) in preparation for a new stage of development. For this reason, the planes of development are depicted as triangles along a continuum. Maria Montessori observed numerous characteristics and milestones in each plane of development.

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​Sensitive periods characterize each plane. Sensitive periods are the golden opportunities where, if permitted, the child’s internal drive will seek mastery of particular skills and knowledge. During this sensitive period, the child will learn particular skills more naturally than at any other time in their life.

​The First Plane: Birth to Age 6 “The Absorbent Mind”

​The Second Plane: Ages 6–12 “Conscious Imagination”

The Third Plane: Ages 12–18 “New Identity”

The Fourth Plane: Ages 18–24 “Maturity”​

​Applying the planes to your children

Leelanau Montessori recognizes that growth and change occur, though not always at a predictable or expected rate. Assessment, therefore, has many different facets in our Montessori environments. In Montessori, continual assessment is part of the essential functioning of an authentic classroom. Following the educational philosophy and understanding of child development that Dr. Montessori put forth, we expect each child to grow and change every year.

We also respect the plateaus which naturally occur due to countless factors in and beyond the school and home, and which are vital to growth. Montessorians refer to these plateaus as planes of development and recognize that each level has developmental markers and milestones that must be considered. Creating and maintaining developmentally appropriate learning environments is a hallmark of Montessori education. As a public Montessori school,

Leelanau Montessori works hard to help parents understand the natural fluctuations of child development. We recognize that growth and change occur, though not always at a predictable or expected rate. Assessment has many different facets in our Montessori environments and is different for each plane of development. Screening and assessment data is shared with parents during conferences, home visits, parent meetings, school communication folders, and upon parent request.

“Development is a series of rebirth” - Maria Montessori - The Absorbent Mind

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​For those unfamiliar with the groundbreaking work that Maria Montessori developed, this might seem complicated. Interest in this topic is rewarded over time with increased understanding. We encourage parents to ask questions and especially schedule a visit.