Just for curiosity I looked up all the school shootings that I could find that have occured since the 1999 Columbine shooting which seems to be the big one that everyone refers back to. If I counted correctly I come up with 85 school shootings since then. I was surprised at it being that large a number because I certainly hadn't heard of most of them. The one thing that stood out to me was that the shootings that I recall being big news stories are the ones with the largest number of deaths. I would be surprised if anyone can display any correlation between the amount of publicity and the political views of the shooters.

http://en.wikipedia.org/wiki/List_of..._United_States