I'll bet it's a high probability that they're a leftist if they graduated with a degree in Sociology, Education, Psychology or even English or History.
An engineering or science major might well be more conservative. I'll bet a lot of the Asian students hit the books for four years and try to avoid the leftwing claptrap.
I worked with a chemical engineering graduate from Berzerkley. Turned out to be a Maoist feminazi.