Andrews was elected superintendent of schools of
Ringgold County, Iowa, in 1879. He became part of the faculty at
Hastings College in Nebraska on January 1, 1885, and taught to January 1, 1893. He then was elected vice president of Hastings College in 1889 and president of the Nebraska State Teachers’ Association in 1890. After an unsuccessful run for the Fifty-third Congress in 1892, Andrews served as a private secretary to the
Governor of Nebraska,
Lorenzo Crounse in 1893 and 1894. Running against
William A. McKeighan, he was successful in being elected as a
Republican to the Fifty-fourth Congress and served from March 4, 1895, to March 3, 1897. He ran for reelection in 1896 and lost to
Roderick Dhu Sutherland. Andrews was an auditor for the
U.S. Treasury Department from 1897 to 1915 in
Washington D.C. He ran again for the 5th district seat and won, being elected to the 66th and 67th congresses and serving from March 4, 1919, to March 3, 1923. During his time in the 67th Congress, he was the chair of the U.S. House Committee on the Election of the President, Vice President and Representatives in Congress. He was unsuccessful in running against former Nebraska governor
Ashton C. Shallenberger in 1922. ==Death==