October 7-10, 2026
A 4-Day In-Person Conference & Orientation Hosted by Montessori Training Center, CT
Presented by legacy trainers David Kahn, Gerry Leonard, Caren Ross, Baiba Krumins Grazzini, Kathleen Allen
“The Keepers of Alexandria: In the Fullness of Time” responds directly to Maria Montessori’s unfinished work of the fourth plane by offering a developmental, interdisciplinary, and classical framework that unifies the four planes in both theory and practice.
Maria Montessori’s vision of human development across the Four Planes of Education remains one of the most integrated developmental theories in modern pedagogy. The Fourth Plane (ages 18–24)—the formation of the adult personality, moral purpose, and spiritual journey—remains the least articulated, researched, and practiced dimension of Montessori education. At a time when adolescent and higher education are increasingly fragmented, formalized, and disconnected, this work is urgent.