Of course, edit counts are not a true metric on wikipedia, but the public policy initiative has a leaderboard to help encourage folks.
It gives some idea how things are going -- apparently very very well at Georgetown University! Yay!
Unfortunately, things aren't quite as well with the GWU courses, and you can see the other schools and courses listed.
http://en.wikipedia.org/wiki/Wikipedia:WikiProject_United_States_Public_Poli...
Cheers, Katie (@aude)