Did you know that the city of San Francisco runs a large community darkroom, with a photo gallery and instructors? That's where I first learned how to develop and scan black and white film.
On Aug 19, classes for fall will open for registration. They typically sell out in minutes, so set your alarms.
https://www.harveymilkphotocenter.org/education/fall-2023-in-person-virtual-classes/