In 1923, Dunbar High School opened as the Bessemer Colored School, serving grades one through 12. It was renamed Dunbar High School in 1928 and continued in use until 1960. Arthur Davis Shores taught at Dunbar, beginning in 1927, and served as principal of the same school until 1939. While at Dunbar, Shores studied nightly to become a lawyer. In 1937, he passed the bar, becoming the third black person of the 20th century to be certified by the Alabama Bar Association. He provided legal assistance to Vivian Malone >and James Hood in their efforts to integrate the University of Alabama, and litigated numerous other cases during the Civil Rights Movement and beyond.