During the first six years of life, the mind of the child is very different from that at any later stages of development, and Dr. Montessori called this “the Absorbent Mind”. During these years, the child’s mind absorbs all that surrounds him/her and builds knowledge and intelligence through this absorption both effortlessly and unconsciously In 1907, the first Montessori school opened starting the widespread adoption of the Montessori method of education.