Aside from homes, schools are thought to be the second safest haven for children. But what if the institution that is designed to nurture and educate our children suddenly becomes the location for some of most horrific events we can imagine? School shootings have grown more rampant over the years, a condition that has become a serious crisis. Violence has become a part of our everyday lives and sadly, we all have slowly become accustom to seeing the reports on the news. Apart from setting safety measures in place to prevent these crimes from happening, it is important to gain a better understanding of what caused these teenagers to plot these plans and commit unthinkable evils. Let's take a look at some of the most horrific school shootings in history.