[2] In 2011, Léman joined Meritas, an international network of college preparatory schools.

[6] The middle and high school campuses are located nearby in the Cunard Building at 1 Morris Street,[6] and opened in 2010.

Léman Manhattan is the only high school in New York City with a residential boarding program.

[10] Student housing is located at 37 Wall Street, an apartment building blocks away from the Upper School Campus.

Students in the boarding program reside in apartments, with rooms accommodating 2-4 people with a kitchen.