Not with new gun control laws, but with common sense.
According to CNN, the alleged shooter, a 16-year-old, used a shotgun he took from his brother and entered his high school late, through a side entrance.
At what point does the big conversation on guns turn to a) people who own guns storing them responsibly and b) schools that have yet to learn the lessons of the past. Access to a school needs to be restricted. The NRA not only proposed armed guards for districts that wanted them, but suggested greater security measures at schools. If anyone can enter a side entrance of a school — with or without a shotgun — the building is not secure.