If you are interested in private schools in San Francisco we recommend that you look at the Online Guide to Bay Area Private Schools.
Here is a map of the public schools in San Francisco.
Below is a list of public San Francisco elementary, middle, and high schools. It contains a link to their School Accountability Report Cards (SARC). These cards provide important information such as the enrollment size of each class, demographics, facility conditions, expenditures per student, support staff, standardized test performances, etc.