Complex sentence: Eighteen-year-old Emily returned to Washington with her father, where she enrolled in the Normal School for Colored Girls, a school located near the current Dupont Circle that trained young African-American women to become teachers.
Split into simpler sentences: Eighteen-year-old Emily returned to Washington with her father, where she enrolled in the Normal School for Colored Girls. Located near the current Dupont Circle, the school trained young African-American women to become teachers.