This actually happened right here today on April 16, 2007.  There was another school shooting today and this time it was at the college Virginia Tech, someone came into the school and shot and killed 30 people.  The shooter is dead too, but it is unclear whether the police shot him, or he committed suicede.  This is the worst school shooting since the Columbine High School massacre back in 1999.  For more info, visit the link below.

http://news.aol.com/topnews/articles/_a/death-toll-in-virginia-tech-rampage-at/20070416102509990001