Good idea - just surprised that no one else has addressed this topic or expressed any genuine interest (unless I've missed the postings)!
You'd think that with all the encouragement to come back to Tomahawk (to visit or reside), there would be more emphasis on attracting THS alumni (for reunions, special events, etc. BTW, not everyone rides a HD). Maybe the Leader's hardcopy editions cover various Class Reunions adequately, but I doubt that all "out-of-towners" get it.
I would imagine THS folks are scattered all over the country (the world for that matter) and even if there's no one locally to go searching around for old classmates, the internet's a powerful tool and could do most of the work - just ask a genealogist.
There sure seems to be an adequate amount of web talent in Tomahawk, including those that put together the excellent high school site as well as this one, so it's rather hard to believe that no one seems really interested about this topic.
Might even make an interesting high school research or web design project.