I never cease to be amazed with the questions asked here on Trulia, and honestly Moira I was concerned about your motive. It's personal. I have ties to Chicago and despite no longer living there, I have loyalty.
Then - as you will see - I got "over" myself - and went "digging" for the information.
Here are education levels for zip code 60625 from an online source:
20% have attained a 2-year degree, 24% a bachelors degree, and 15% a post graduate degree.
Despite not knowing the source"s reliability and how recent the stats are, the numbers for a bachelors degree and post graduate degree are higher than those for the entire state of Illinois.