One third of parents believe their local high school will suffer a shooting incident in the next three years, but few know of effective countermeasures to stop such violence from happening, says a new study from Ball State University. Parents’ Expectations of High Schools in Firearm Violence Prevention, a multi-university survey of 257 Midwestern parents, found that about 36 percent of respondents believed their local high school was ‘highly likely’ to have a gun incident in the next three years.