Green Bay Montessori Children's World was founded Founded in 1963 by a group of parents interested in the academic development of their children, Green Bay Montessori Children's World Inc. is a non profit private Montessori school serving the greater Green Bay community.  Our mission is to provide a quality Montessori program affordable to any parent who can afford traditional child care.  We are a non-denominational Christian school.  We service children from age 6 months through grade 4