He began his career as an educator with Northside ISD in 1952. He served as Principal of Helotes and Leon Valley elementary schools and later as Assistant Superintendent and Director of Curriculum.
In 1965, Cody succeeded Murray Boone as Superintendent of Northside ISD. During Cody's 17-year tenure at the helm of NISD, he earned countless honors from colleagues, parents, and students.
He served as the Texas Association of Suburban Schools as President, Vice President, and Secretary; he was named chairman of the State Textbook Committee in 1981; he was a member of the editorial advisory board of Texas School Business in 1980 and 1981; he was awarded an honorary life membership in the National Congress of Parents and Teachers; he was selected to serve as a suburban schools representative on the Federal/State Relations Committee of the Texas Education Agency; and in 1981, Barbara Bush presented him with the Advance Literacy Awareness Award for being one of the first Superintendents in the country to enter the national Right to Read program.
Cody retired from the school district in 1982, after 30 years in education.
Today, Cody remains active with the Northside Museum Association and still visits his namesake campus several times a year to participate in events such as the annual Cody Corral Night.