Not to mention it has overwhelming public support.
Via National Review:
[. . .] Nationwide, at least 23,000 schools — about one-third of all public schools — already had armed security on staff as of the most recent data, for the 2009-10 school year, and a number of states and districts that do not use them have begun discussing the idea in recent days. . .
Also, the school where Obama's daughters attend has 11 armed guards, not just mall cops either. I guess they are more special that the rest of America's sons and daughters.