Portia C. Bullock, 71, a retired educator in the D.C. public system and a community leader, died Tuesday at the family home in Washington.

She had been with the school system for 40 years, the last seven as a research and planning associate in the department of federal programs in the central administrative offices. She retired in June, 1975.

Miss Bullock previously had taught English and social studies in a number of schools, including Francis Junior High School, Brown Junior High School, Kelly Miller Junior High School and Spingarn High School.

Born in Charlotte, N.C., the daughter of the late Rev. and Mrs. George Bullock. Miss Bullock came to Washington with her family in 1918.

She graduated from Miner Normal School and received a bachelor's degree from Howard University in 1929. She also earned a master's degree from Teachers College, Columbia University, and took further work at Catholic University, New York University, D.C. Teachers College and the Department of Agriculture University Center.

As a teacher, Miss Bullock was known for her special efforts in motivating promising students to continue in school and complete higher education programs.

In 1964, Miss Bullock received the Agnes Meyer Fellowship for study and travel in England. The fellowship citation noted:

"As a public school teacher, Miss Bullock has pioneered in upgrading students through remedial instruction; and has sponsored many extra-class activities such as school publications, essay and poetry contests ans alumniclubs to help broaden the horizons of her pupils. She also cooperated with Howard University and D.C. Teachers College in the training of student teachers."

Miss Bullock was president of the National Association of College Women in 1964-68. She was an active member of the D.C. Chapter of the American Association of University Women.

A former President of the Howard University Alumni Association, she was honored as Miss Alumna of Howard University for 1969-70.

She was a life member of the National Education Association and a member of the Administrative and Women in Education and the National Council of Teachers of English.

Miss Bullock was a delegate to the World YWCA Convention in Ghana in 1971 and served as president of the Phyllis Wheatley YWCA here in 1973-76.

She is survived by three sisters, Dr. Bennetta B. Washington, wife of District of Columbia Mayor Walter E. Washington; Frances Frazier of New York City, and Wilhelmina Thomas of Washington, and three brothers, Dr. William Bullock and Joseph Bullock, both of Washington and Dr. Samuel Bullock of Philadelphia.