The Columbine High School Shooting

How Teacher Who Survived Columbine Prepares Her Students | Time

Students gathered outside the school for a memorial on April 21, 1999. (INSTITUTE/Zed Nelson)


The news media compound outside Columbine High School on April 21, 1999.  (AP Photo/Ed Andrieski) 


Students evacuating the school on April 20, 1999. (AP Photo/Kevin Higley)