Complex sentence: Edwards was valedictorian of her class at Washington's Dunbar High School in 1917, completed undergraduate studies at Howard University in three years, and graduated from Howard University Medical School in 1924.
Split into simpler sentences: Edwards was valedictorian of her class at Washington's Dunbar High School in 1917. She completed her undergraduate studies at Howard University in three years, and graduated from Howard University Medical School in 1924.