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 (and also offers a post-grad option). A boarding program is available to students in grades 9–12.

Gilmour Academy is chartered through the state of Ohio and accredited through the Independent School Association of Central States (ISCACS). It is a member of the National Association of Independent Schools (NAIS), the Ohio Association of Independent Schools (OAIS), the Cleveland Council of Independent Schools (CCIS) and the Coalition of Essential Schools (CES).

Campus

Gilmour's 144-acre (0.58 km) campus has experienced significant growth and expansion in recent years. The Lynn and Michael Kelley Middle School houses a Broadcast Media Center and Digital Media Lab where students can learn and practice with digital media technology. The Lorraine and Bill Dodero Center for Performing Arts was completed in early 2020 and opened with The Broadway Princess Party and Beauty and the Beast, Jr. Also opening its doors in 2020 was the Nature-Based Learning Center, which is home to the giving garden and in close proximity to the "Gilmour Girls" chicken coop and apiary. Our Lady Chapel (which opened in 1994) serves as a venue for liturgical events and student convocation. Gilmour's Athletic Center (which opened in 2009) houses a pool, main gym and a three-court field house and the Floyd E. Stefanski Ice Center houses two NHL-sized ice rinks and a fitness center. New artificial turf was installed in 2020 in a multiple-use field for football, soccer, and lacrosse.

Boarding program

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Gilmour maintains a boarding program for students in grades 9–12. It has resident students from the United States and other countries around the world including Canada, Mexico, South Korea, Sweden, Taiwan, China, Spain, and India. The residence program includes supervised study hall, chaperoned activities, and personal advising and mentoring.

Athletics

Gilmour's athletic teams are known as the Lancers. The school competes in the Ohio High School Athletic Association.

Ohio High School Athletic Association State Championships

• Boys' golf – 1991, 1992, 1993, 1994, 2010
• Boys' ice hockey 2022
• Boys' track and field – 1971
• Girls' track and field – 2005, 2006, 2007*, 2009
• Girls' cross country – 2006
• Girls' volleyball – 2015, 2020, and 2021
• Girls' soccer – 2016
• Girls' basketball – 2017

* tie

Notable alumni

• Gary Cohn, President & COO of Goldman, Sachs; Director of the National Economic Council and chief economic advisor to President Donald Trump; Vice-Chairman of IBM
• Matthew J. Dolan, Ohio State Senator
• Paul Dolan, chairman/CEO of the Cleveland Guardians Major League Baseball organization
• John Gilmour, ice hockey player
• Ray Gricar, former District Attorney of Centre County, Pennsylvania
• Naz Hillmon, basketball player
• Douglas Kenney, writer, actor, and producer
• Russell Potter, professor of English at Rhode Island College
• Phoebe Robinson, comedian, actress, podcaster, and author
• Barbara Romer, film producer
• Art Rooney II, president of the Pittsburgh Steelers National Football League organization
• Andy Selfridge, football player
• John W. Snow, 73rd United States Secretary of the Treasury
• Brian Stepanek, film/television actor