Gilmour Academy is an independent, Catholic, coeducational, college-preparatory day and boarding school in the Cleveland suburb of Gates Mills, Ohio, United States. Founded in 1946 by the Brothers of Holy Cross, Gilmour Academy has three divisions, Lower School, Middle School and Upper School. In the Lower School, Gilmour offers a Montessori preschool program for 18 months - PreK. The Lower School also houses the children in Kindergarten through Grade 6. Gilmour's Middle School holds 7th and 8th grades, and, as of the 2021-2022 school year, has 65 students. At nearly 500 students, Gilmour's Upper School has grades 9-12. A boarding program is available to students in grades 9–12.

Gates Mills is a village in eastern Cuyahoga County, Ohio, United States. A suburb of Cleveland, it is part of the Cleveland metropolitan area. The population was 2,264 at the 2020 census.