[2] Milton High School was established in 1915 making it the oldest school in Santa Rosa County.The original campus was built on Canal Street in Milton, FL and held classes there until it moved to its current location on Stewart Street in 1953.

Most recently, Don Lewis Lynn, Jr. was principal from 1999 to the 2006–07 school year, until taking an Assistant Superintendent position at the county level.

Carved over the arched doorway of the large, two-story building at 5086 Canal Street is the Latin phrase, "Sit Lux," which means "let the light shine."

On November 1, 1915, this first state-accredited high school in Santa Rosa County opened its doors for students.

By 1917, eighty seniors were ready to graduate from Santa Rosa County's first high school.