The school's location was the site of the old Gallup High School campus from 1962 to 1998, before the latter moved to Gallup's west side.

Miyamura High School is named after Korean War hero and Medal of Honor recipient, Hiroshi Miyamura.

[citation needed] In addition to portions of Gallup, its boundary includes Chi Chil Tah, Church Rock,[2] Fort Wingate,[3] Jamestown, Rehoboth,[2] Sagar,[3] and Vanderwagen,[2] as well as most of Catalpa Canyon.

Miyamura High School contains various clubs which students join and participate in.

These include the Business Professionals of America, FCA, MESA, FCCLA, and Skills USA.