London Breed just made history as San Francisco's mayor-elect; now comes the real challenge

San Francisco Mayor-elect London Breed was still basking in the glow of her election victory when she arrived at Rosa Parks Elementary school on Thursday.

Having been raised by her grandmother just blocks away in the city's Western Addition neighborhood - once the heart of San Francisco's black community - Breed, 43, said the visit to her alma mater filled her with memories and purpose.

"In San Francisco, I think about this school, I think about the people I went to school with and I think about the fact that many of them don't live in this city anymore," she said to cheers. "We have to build more housing. We