Principal Carl Moss an Ivy Leaguer?

On the wall of the principals office, it's looks as if Carl attended Brown University, in some capacity, that is. I find it hard to believe that he has any legitimate credentials from a respected university, let alone an Ivy League school. Perhaps he attended a certificate program/continuing education? Considering that he ends up selling 'J-bone' steaks in the Tom Landry Middle School driveway, I'm guessing it's safe to assume that he didn't get too much out of his education. Either that, or the alumni network in Arlen is nonexistent ; )