Complex sentence: After her parents separated, she lived for one year with her mother in Richfield, Minnesota, where she was the only African American in East Junior High School, then moved to south Minneapolis to live with her father and stepmother.
Split into simpler sentences: After her parents separated, she lived for one year with her mother in Richfield, Minnesota, where she was the only African American in East Junior High School. She moved to south Minneapolis to live with her father and stepmother.