Washington taught in Baltimore and Washington before she moved into school administration. She served as principal of
Cardozo High School from 1961 to 1964. She was director of the Cardozo Project in Urban Education, and served on the President's Commission on
Juvenile Delinquency. From this work came her book,
Youth in Conflict: Helping Behavior-Problem Youth in a School Setting (1963). Of her work with troubled students, she commented, "You have to learn how to handle hostility. You don't handle hostility with hostility. It takes receptivity and empathy — don't say sympathy; that's maudlin and doesn't help at all." As an education specialist, she was a member of
John Lindsay's Advisory Panel on Decentralization of New York City Public Schools, in 1967, and was a professor of education at the
City College of New York. She was Martin Luther King Scholar in Residence at
Rutgers University in 1969. Beginning in 1964, Bennetta Washington was founder and director of the Job Corps for Women, a program of the U. S. Department of Labor, and in that role oversaw the creation of job training centers for young women throughout the United States. From 1970 to 1973 she was associate director, Women's Programs and Education, in the
Manpower Administration of the Department of Labor. She retired from the Department of Labor in 1981. Washington's husband was Mayor-Commissioner of Washington, D.C. from 1967 to 1975, and mayor from 1975 to 1979. Bennetta Washington was considered the
first lady of the District of Columbia during her husband's terms in office, and was a trusted adviser to the mayor. In 1968, she was invited to one of
Lady Bird Johnson's lunch meetings of "Women Doers", joining singer
Eartha Kitt and others to discuss juvenile delinquency and the Vietnam War. In 1969, she was honored by
Wilson College with an honorary doctorate. In 1971, she was honored by the
National Council of Negro Women, at the same ceremony honoring
Shirley Chisholm,
Barbara Watson, and
Elizabeth Duncan Koontz. In 1975, Washington hosted a luncheon in honor of visiting first lady of Zambia,
Betty Kaunda, at the Museum of African Art, attended by
Cecilia Suyat Marshall,
Roselyn P. Epps,
Dorothy Height,
Helen Elsie Austin, and other noted women in Washington. Washington was one of the participants in a recorded symposium,
Kin & Communities, at the
Smithsonian Institution in 1977, alongside
Rosalynn Carter,
Alex Haley,
Hubert Humphrey,
Margaret Mead, and
Sidney Dillon Ripley. == Personal life ==