After finishing college, Polli took AMI Primary Training in Palo Alto, California. Then she was employed and worked at the same school for the next 40 years, first as a guide, and later as the owner/administrator. During this time, she worked with the children as a classroom guide for 29 years and as an administrator for 36 years. She completed the Seminar Training of Trainers Program and worked as one of the trainers at the Montessori Teacher Training Center in Mountain View, California. She is now the Primary trainer for the new Bay Area MNW Satellite Training Course in San Francisco, California. She is also an AMI-USA consultant, and has contributed to the NAMTA Journal and the AMI-USA newsletter on several occasions.