The Baltimore Friends School, of which TMI's founders are alumni, was the first school course. St. Paul's School for Girls came next, and the founders were soon working with a number of schools in the Baltimore, Washington, D.C., Pittsburgh, and New York City areas.
TMI's founders, who had attended the prestigious Baltimore Friends School, began by developing a curriculum that included this first school course. They then went on to collaborate with St. Paul's School for Girls and other notable institutions in the Baltimore, Washington, D.C., Pittsburgh, and New York City areas.