California Institute of Integral Studies to Woodbury University buses and trains from $59

Here are some trips other travelers have found on Routefriend.
$59
8h 34m
1 stop
Amtrak
$62
8h 46m
2 stops
BART Amtrak
$70
11h 43m
3 stops
BART Amtrak
$74
10h 39m
3 stops
BART Amtrak