In August 2007, Fordham announced, to the disappointment of many alumnae, that it would sell the Marymount campus.
On February 17, 2008, Fordham announced the sale of the campus for $27 million to EF Education, a chain of private language-instruction schools.
An extension site was founded at Palos Verdes, which exists to this day as Marymount California University.
Other California schools were established at Santa Barbara, Studio City, Montebello and San Jose.
Other secondary schools and junior colleges were founded in Ferguson and Florissant, Missouri, and Rolling Meadows, Illinois.
There are three Marymount Schools in Colombia located in the cities of Medellin, Bogota and Barranquilla.
The history of Marymount Paris can be traced back to 1846 when Father Jean Gailhac founded an order of Sisters in Béziers in the south of France.
There was a Marymount school in the City of Québec from the early 1950s to 1969, initially located on Mont Carmel street in Old Quebec, moving to its own large campus St. Foy.