The 143 acre campus is located in Gates Mills, an eastern suburb of Cleveland, Ohio. The campus facilities include a chapel, science center, fine and performing arts center, and two dormitories. The athletic complex includes eight playing fields, a natatorium, a fieldhouse, and a NHL sized ice rink.

As a Catholic School in the Holy Cross tradition, Gilmour Academy has chosen as its mission the education of the mind and the heart. Gilmour instills in each student a strong sense of personal self-worth through personal achievement. The world our students will soon lead will require them to be persons of great courage and moral stamina, with an enthusiastic, lifelong desire to learn.