Welch began her career with Birmingham City Schools in 1975 as a school librarian, and worked at Arthur Elementary School, Glen Iris Elementary School, EPIC School and Curry Elementary School. Later she moved to the central office as an attendance/hearing officer, and later as executive assistant to the Superintendent of Schools. From 2000 to 2008 she served as a Mayor's Education Liaison.
Arthur, Glen Iris/EPIC and Curry Elementary schools
Welch was presented with the Association of Library Trustees, Advocates, Friends and Foundations' "Trustee Citation Award" in 2012 and was inducted into the Birmingham Gallery of Distinguished Citizens by the Birmingham City Council in 2017.