The Ohio-based National School Safety and Security Services reviewed more than 800 school threats covered in the media during the first half of the 2014-15 academic year . In a report released Tuesday, the group said that while there were no specific incidents involving students or staff at any school, it found "numerous instances where schools have been targeted by individuals who are motivated to
The Ohio-based National School Safety and Security Services reviewed more than 800 school threats covered in the media during the first half of the 2014-15 academic year . Researchers found that about one-third of cases involved violent remarks sent anonymously via text message , social media or other online means .