Education, especially early childhood education, is a responsibility that both families and schools share, so much so that children find themselves in two differentiated learning environments. Educational and parenting styles may join forces, sharing values and behaviours that enhance children's development, just as the Montessori Pedagogy has shown. It is for this reason that the present study will attempt to analyse the relations established between the opinions and the application of the principles of such pedagogy focusing on the first six years of life, both in educational and family environments, considering the degree of commitment the school has towards the Montessori Pedagogy.