[3] In 2009, a $30 million expansion project added 49 classrooms in two new, three-story wings.

[4] Opened in 2003, and connected to the high school, is the 149,000 square-foot Mason Community Center, which features an Olympic-sized competition swimming pool, therapy pools, six basketball courts, fitness rooms and exercise equipment.

[7] It is the largest high school by enrollment in the state of Ohio.

[8] The Comets participate in the Greater Miami Conference, in which they have won 17 consecutive All-Sports titles through 2023-24.

[9] Previously, Mason was a charter member of the Fort Ancient Valley Conference from 1965-66 to 2006-07.