Facebook's privacy settings are pretty granular. The only problem is that these settings are not really evident, and their default values are pretty much 'unsecure'. This article will show how to hide (or display) your education and work information on your Facebook profile.
Perhaps the privacy setting for the Education and Work information is the trickiest one. The reason is that its setting is not in the same menu of the other privacy settings (ex. Photos, Relationship Status, Birthday, etc..). To access these privacy settings you must go to Account -> Privacy Settings in the upper right corner of your profile:
Next step is to select the Connecting on Facebook settings:
Here you will be presented the option to show or hide your Work and Education information. From this menu you can also change privacy settings of your friend list display among other things: