May 23, 2007: Gunman shoots and kills 14-year-old student at C.W. Jefferys Collegiate Institute in Toronto.
Sept. 13, 2006: Kimveer Gill, 25, opens fire at Dawson College in Montreal, killing one woman and injuring 20 people.
April 20, 2000: Four students and one staff member wounded in knife attack at Cairine Wilson High School in Orleans, Ont. Occurs on first anniversary of Columbine massacre.
April 28, 1999: 14-year-old boy shoots two students, one fatally, at W.R. Myers High School in Taber, Alta.
Feb. 8, 1999: Man fires shot at Woodland Elementary School in Verdun, Que. No one injured.
October 1997: 35-year-old man fatally shoots teacher at Montreal language school for immigrants.
October 1994: Two guidance counsellors at Brockton High School in Toronto shot and wounded by student unhappy with grades.
June 1993: Teen wounded outside Gladstone Secondary School in Vancouver in drive-by shooting.
Aug. 24, 1992: Valery Fabrikant, professor at Concordia University in Montreal, goes on shooting rampage at school, killing four colleagues and wounding one.
February 1990: Jilted teenager shoots and wounds estranged girlfriend at General Brock High School in Burlington, Ont.
December 1989: Marc Lepine, 25, shoots dead 14 women at University of Montreal's Ecole polytechnique engineering school, then kills himself.
October 1978: 17-year-old student shoots 16-year-old to death at Sturgeon Creek Regional Secondary School in Winnipeg. Oct. 27, 1975: Robert Poulin, an 18-year-old militia sharpshooter, shoots six people at Ottawa's Saint Pius X school and then kills himself. One wounded student dies just over a month later. Poulin had killed a girl at a youth home before he went to the school.
May 1975: Michael Slobodian, 16, kills teacher and student and wounds 13 others at Centennial Secondary School in Brampton, Ont., before turning gun on himself.
