Hello? Someone was claiming the same about other Western countries, so I compiled these lists of mass shooting events in Western Europe in just this century:

From Wikipedia, school shootings in Europe in this century, last two numbers are killed and wounded:

  R., Georg, 18, Sep. 17 2009, Germany, 0, 10-15
  Kretschmer, Tim, 17, March 11, 2009, Germany, 15, 9-13
  De Gelder, Kim, 20, Jan. 16/23,, 2009, Belgium, 4, 12
  Saari, Matti Juhani, 22, Sep. 23, 2008, Finland, 10, 1-3
  Auvinen, Pekka-Eric, 18, Nov. 7, 2007, Jokela, Finland, 8, 1
  Bosse, Bastian, 18, Nov. 20, 2006, Germany, 0, 22
  Steinhäuser, Robert, 19, April 26, 2002, Germany, 16 1

Other spree shooting in Europe in this century:

  Merah, Mohammed, 23,  March 11–22, 2012, Toulouse & Montauban, France, 7, 8
  Amrani, Nordine, 33,  Dec. 13, 2011, Liège, Belgium, 6, 123 (he also used grenades)
  Breivik, Anders Behring, 32, July 22, 2011, Norway, 75, 242 (a bomb killed 8)
  van der Vlis, Tristan, 24, April 9, 2011, Netherlands, 6, 17
  Radmacher, Sabine, 41, Sep. 19, 2010, Germany, 3, 18 (arson was also used)
  Bird, Derrick, 52, June 2, 2010, United Kingdom, 12, 11
  Sacco, Angelo Secondo, 54, June 28, 2005, Italy, 3, 9
  Antonello, Mauro, 40,  Oct. 15, 2002, Italy, 7
  Durn, Richard, 33,  March 27, 2002, France, 8, 19
  Selamet, Ozan, 42,  Jan. 18, 2002, Belgium, 6 (2 strangled)
  Roux-Durrafourt, Jean-Pierre, 44,  Oct. 29, 2001, France, 4, 7
  Leibacher, Friedrich, 57, Sep. 27, 2001, Switzerland, 14, 18
  Kaya, Hakan, 24,  Dec. 22, 2000, Germany, 6