who today came face to face with violence that no child should ever experience. It's moments like this that demand that we unite as parents to find common sense solutions that keep our children -- all children -- safe, and prevent these tragedies from happening again and again."
The mother of a student killed in December's shooting in Newtown said Monday's shooting was reminder of the need to find solutions to keep students safe.
"The unthinkable has happened yet again, this time in Sparks, Nevada," Nicole Hockley said in a statement.
Sparks Middle School student: Gunman said "you ruined my life and now I'm going to ruin yours"
Nevada school shooting: Teacher killed by 'nice kid' who was bullied, girl says
