Denyse Christian, visits a makeshift memorial with her son Adin Christian, 16, a student at the school, outside the Marjory Stoneman Douglas High School, where 17 students and faculty were killed in a mass shooting, in Parkland, Fla., Feb. 19, 2018. (AP/Gerald Herbert)
美洲

统计数据很清楚:这不是危险的学校

学校是学生枪杀案数量少于3%的地方;另外97%发生在学校以外的某个地方。