-Most school-associated violent deaths occur during transition times-immediately before and after the school day and during lunch.

-Violent deaths are more likely to occur at the start of each semester.

-Nearly 50 percent of homicide perpetrators gave some type of warning signal, such as making a threat or leaving a note, prior to the event.

-Firearms used in school-associated homicides and suicides came primarily from the perpetrator's home or from friends or relatives.

-Homicide is the second leading cause of death among youth aged 5-18. Data from this study indicate that between 1% and 2% of these deaths happen on school grounds or on the way to or from school.

-These findings underscore the importance of preventing violence at school as well as in communities.

-In 2011, 20% of high school students were bullied at school, and 33% reported being involved in a physical fight in the last year.

-In one month, nearly 6% of high schoolers stayed home because they felt unsafe at or on their way to school.

-More than 7% of 9th through 12th graders reported being threatened or injured with a weapon on school property at least once in the last year.An additional 6% admitted to bringing a weapon to school for protection.

-More than 50% of children who have been bullied online do not report the behavior to their parents, leaving their parents with no idea regarding this behavior.

-In 2011, one million children were harassed, threatened, or subjected to other forms of cyberbullying on Facebook.