Common reasons that young people choose to carry firearms outside of school--protection, intimidation of others, or to be like their peers--are the same reasons they carry guns into the school. This fact sheet presents statistics regarding the prevalence of firearms amongst students in American schools, including: shooting fatalities and woundings on school grounds; number of guns confiscated in California schools; frequency of students bringing guns into school; and students' feelings of fear while at school. The effectiveness of metal detectors and automatic expulsion policies are briefly discussed. (RB)