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【 】【 】【校】【园】【安】【全】【环】【境】【不】【断】【恶】【化】【。】【美】【国】【国】【家】【教】【育】【统】【计】【中】【心】【2】【0】【1】【9】【年】【4】【月】【发】【布】【的】【数】【据】【显】【示】【,】【2】【0】【1】【7】【年】【美】【国】【1】【2】【岁】【至】【1】【8】【岁】【的】【学】【生】【中】【,】【有】【8】【2】【.】【7】【万】【次】【在】【校】【受】【侵】【害】【经】【历】【和】【5】【0】【.】【3】【8】【万】【次】【校】【外】【受】【侵】【害】【经】【历】【。】【网】【络】【欺】【凌】【事】【件】【在】【全】【国】【范】【围】【内】【呈】【上】【升】【趋】【势】【,】【女】【孩】【在】【网】【上】【或】【短】【信】【中】【受】【到】【骚】【扰】【的】【人】【数】【是】【男】【孩】【的】【3】【倍】【。】【路】【易】【斯】【安】【那】【州】【是】【美】【国】【校】【园】【欺】【凌】【问】【题】【最】【严】【重】【的】【州】【,】【每】【4】【个】【人】【中】【就】【有】【1】【人】【遭】【受】【过】【欺】【凌】【。】【校】【园】【内】【的】【枪】【击】【事】【件】【此】【起】【彼】【伏】【。】【美】【国】【有】【线】【电】【视】【新】【闻】【网】【2】【0】【1】【9】【年】【1】【1】【月】【1】【9】【日】【报】【道】【指】【出】【,】【美】【国】【2】【0】【1】【9】【年】【的】【前】【4】【6】【周】【就】【发】【生】【了】【4】【5】【起】【校】【园】【枪】【击】【事】【件】【,】【几】【乎】【每】【星】【期】【1】【起】【。】