What are the Montessori planes of development?

The planes of development are the four stages of growth Maria Montessori described, each about six years long: birth to 6, 6 to 12, 12 to 18 and 18 to 24. Montessori classrooms are grouped by them. FutureNerds organizes each school's curriculum by age levels that follow the same split.

The four planes

PlaneAgesWhat the child is working on
First0 to 6Building independence, movement, language and the senses
Second6 to 12Reasoning, imagination, and how the world fits together
Third12 to 18Their place in society, and real work with adults
Fourth18 to 24Adult life and a chosen path

Each plane has two halves of about three years. That is why Montessori classrooms mix three ages: a primary room for 3 to 6, a lower elementary room for 6 to 9, and an upper elementary room for 9 to 12.

How FutureNerds groups classrooms and lessons

Every curriculum area and classroom in FutureNerds belongs to one age level:

Age levelAgesPlane
Infant/Toddler0 to 3First, first half
Primary3 to 6First, second half
Lower Elementary6 to 9Second, first half
Upper Elementary9 to 12Second, second half
Adolescent12 to 15Third, first half

The age level decides which lessons a guide sees in the lesson library and which areas appear on an assessment.

How to set a classroom's age level in FutureNerds

  1. Create or open the classroom.
  2. Set its Curriculum Level, such as Primary or Lower Elementary.
  3. Check that the curriculum for that level has the areas you teach.
  4. Assign the children who belong in that room.

Questions and answers

How many planes of development are there?

Four, each about six years long: 0 to 6, 6 to 12, 12 to 18 and 18 to 24.

Why do Montessori classrooms mix three ages?

Each plane has two halves of about three years. Grouping children by half-plane lets younger children learn from older ones and older children teach what they know.

Which age levels does FutureNerds support?

Infant/Toddler, Primary, Lower Elementary, Upper Elementary and Adolescent, each with its own curriculum areas.

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