Legacy Web Application features
In my continuing trend of posting screenshots of Facebook screens, here's another one.
What's up with this? It's an interesting artifact of Facebook's "student-only" audience. It has no practical use for a large percentage of their audience. Since Facebook has the information available to determine whether someone is currently in an institution where you might have need of these fields, they should ideally only appear for those users.
This shows the importance of conducting a periodic review of an entire site, especially when making decisions that will make significant changes to your site's audience. Social Networking sites are particularly vulnerable to this kind of shifting, as Facebook did when they opened up registration.