Larry Schaefer received an AMI diploma from Bergamo, Italy, studying under Eleanora Honnegar and Camillo Grazzini. He holds an MA and Ph.D. in history from Fordham University and an MA in education from Fairfield University. In 1964, Larry and his wife, Pat, founded the Montessori School, now in Wilton, CT, for their four children. In 1976, they founded Lake Country School in Minneapolis, MN, and in 1982 Larry created a Montessori adolescent program at Lake Country School, a program that continues to serve as a model for other urban adolescent programs. Larry created the blueprint to obtain a grant from the Gates Foundation, establishing a Great River School, a charter junior and senior high school founded in St. Paul, MN in 2004.
Pat Schaefer works at Lake Country Institute, which she and Larry founded. Pat holds an AMI primary diploma from Washington Montessori Institute and an AMI elementary diploma from Bergamo. She has an MA in history and studied school leadership and adolescent education at Harvard University.