In 1972, Marchand was appointed to the Council for Higher Education, participating in numerous studies on college education and teaching. At her urging, in 1974, the report "La femme collaboratrice dans une entreprise familiale" (Women as collaborators in a family business) was undertaken by AFÉAS, was prepared to evaluate the vulnerability of women and lack of legal protections for them if they should become separated or divorced. Marchand attended the 1975 World Conference on Women in Mexico City as part of the United Nations' International Women's Year events. From 1974 to 1980, she served as part of the Canadian delegation to UNESCO, as a representative for AFÉAS, and between 1975 and 1980, she served on Québec's Advisory Council on the Status of Women.