SEARCHABLE LIST OF SCHOOL RELATED SECURITY AND SAFETY INCIDENTS SINCE 1902

The following information is a growing compilation of known School related Security and Safety Incidents. 

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Incidents by Category
  • K-12 (372)
  • Higher Ed (140)
  • School Bus (8)
Items Count: 520
Type of Incident:
Facility Type:
Facility SubType:
Foiled or Exposed Plots:
Sunday, 23 August 2009

Hillsdale High

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Two pipe bombs went off in a hallway of Hillsdale High School, in San Mateo, California, during the beginning of first period classes. Nobody was injured from the explosions. Alex Youshock, a 17-year-old former student of the school, was held by staff members until police arrived and was found with eight other pipe bombs, a two-foot-long sword, and a chainsaw concealed in a guitar case.

Additional Info

  • Type of Incident: Bombing
  • Source: Wiki-Secondary School Attacks
  • Deaths: 0
  • Injuries: no
  • City: San Mateo
  • State: California
  • Facility Type: K-12
  • Facility SubType: Secondary
  • Perpetrator: Alex Youshock
  • Foiled or Exposed Plots: Yes
  • Perpetrator fate: Arrested
  • Included In 2002 Report: Yes
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