And more broadly, San Francisco's most-educated ZIP code — 94123 — wasn't at the head of the class in the Bay Area, according to the data. Farther south on the Peninsula, the 94305 ZIP code ...

94618 (86.41%), was next on the list for Bay Area ZIP codes, and Atherton's 94027 ranked after that (85.95%). San Francisco's most-educated ZIP code — 94123 including the Marina and Cow Hollow ...