Walker taught school in
Mineral Wells and Waco. She was director of teacher relations and certification for the
Texas Education Agency. In 1950, she received the Texas State Achievement Award, from the Texas chapter of
Delta Kappa Gamma. She was president of the Waco Classroom Teachers Association, and the
Texas State Teachers Association. Walker was elected president of the
National Education Association in 1954. As NEA president, she lobbied for federal school building funds, and appeared on television to discuss education issues. She tied many of her policy positions to the arrival of the
baby boomers in American public schools, requiring more space and more teachers. She gave keynote addresses at the World Federation of Teaching Professions meeting in Norway in 1954, and in Turkey in 1955. In 1955, she spoke at Baylor University's commencement, In the early 1960s, Walker was president of the Texas Retired Teachers Association, and worked for the founding of the Texas Retired Teachers Residence in Waco. She was part of a
US Department of Defense project to study the education of American military dependents overseas, and toured armed forces schools in Western Europe and East Asia. "We found the Japanese-based American school outstanding as compared to European bases," she remarked, noting further than that the European schools excelled in language instruction. == Personal life ==