Lower School: 6701 Wisconsin Ave.Chevy Chase, MD 20815 High School: 9411 Connecticut Ave. Kensington, MD 20895onenessfamily.org301-652-7751 In 1988, Oneness-Family School (OFS) Founder and Head of Upper School Andrew Kutt set out to create a school built upon Maria Montessori’s philosophy — where the center of the educational process is the student. Three decades later, what […]