Maya Angelou becomes first black female streetcar conductor

Maya began to speak again at 13, when she and her brother rejoined their mother in San Francisco. Maya attended Mission High School and won a scholarship to study dance and drama at San Francisco's Labor School, where she was exposed to the progressive ideals that animated her later political activism. She dropped out of school in her teens to become San Francisco's first African American female cable car conductor.

http://www.achievement.org/autodoc/page/ang0bio-1