The Educator's School Safety Network March 3, 2018 ESSN data (slightly mis-quoted) by Petula Dvorak The Educator's School Safety Network March 3, 2018 Ordinarily, according to the Educator's School Safety Network, about 10 threats or violent incidents are reported each day in American schools. Since Parkland, the network, which has been tracking these incidents for years, said reports have increased sevenfold. The network is recording about 70 incidents every day -- 673 since the Parkland shooting.