Montessori Infant Program (Ages 0 to 18 Months)

1 min read Updated November 2026

A white crib with a hanging mobile in a bright, softly lit room
A quiet space with a mobile above the crib. Photo: Pexels contributor / Pexels, Pexels License

A calm, prepared room for the youngest children

Program Overview

The Montessori infant program gives babies a warm, safe room that supports the fast development of the first 18 months. Adults set up the space so infants can move freely, reach for objects and hear rich spoken language throughout the day.

Good to Know. Schools draw the line between infant and toddler groups at different ages. AMI standards, for example, describe a nido for babies from about 2 months to 12 or 15 months, followed by an infant community up to age 2.5 or 3, with a ratio of one adult to three babies in the nido (AMI/USA standards).

Key Development Areas

Physical Development

  • Gross motor skills
  • Fine motor development
  • Movement coordination

Cognitive Development

  • Sensory exploration
  • Object permanence
  • Cause and effect

Environment & Materials

Prepared Environment

  • Safe, child-sized furniture
  • Floor beds that let babies get in and out on their own
  • Low mirrors
  • Mobiles and other things to look at

Learning Materials

  • Sensory materials
  • Grasping objects
  • Language materials
  • Movement mats

Daily Activities

Morning

  • Arrival routine
  • Individual exploration
  • Movement activities

Midday

  • Feeding time
  • Rest period
  • Gentle activities

Afternoon

  • Sensory activities
  • Music and movement
  • Departure routine

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