At that point, Edmond High School was located at the corner of Ninth Street and Rankin.

In 1975, the name of the school was changed to Edmond Memorial High School to honor six alumni who were killed while serving in Vietnam: Floyd Frazier, Jr., Allen Garrett, James Johnson, James Leonard, Danny Shores, and John Wilson.

[5] On April 4, 1998, a pipe bomb was set off by 3 students,[6] in an attempt to destroy the fiberglass bulldog in the foyer of the school.

[7] In the past decade, Memorial has undergone several new construction projects, including an expanded library, new parking lots, a new football locker room/pom and cheer practice facility, and a new freshmen academy.

In 2008 Edmond Memorial was named the Siemens Foundation award winner for the state of Oklahoma for its consistently high Advanced Placement test scores in science, math and technology.