Chagrin Falls High School is a public high school located in Chagrin Falls, Ohio, United States, an eastern suburb in the Greater Cleveland metropolitan area.

The high school's mascot is Mortimer the Tiger.

[5] Chagrin Falls High School issued its first diploma in 1879, with only one graduate, Hugh Christian.

[9][10] In 2008, it was placed 135th on Newsweek magazine's Top 1,300 Schools list (2nd in Greater Cleveland, behind neighboring high school Solon, and 5th in Ohio).

[11] The school is a member of the Chagrin Valley Conference (CVC), Chagrin Division as part of the Ohio High School Athletic Association (OHSAA) for interscholastic sports.