Digital Smarts - Technology and School Safety

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Can pricey tech prevent school violence? School leaders in some communities are investing in high-tech security systems used by the military and law enforcement to boost campus safety. These modern tools range from instant background checks for visitors and social-media monitoring software to gunshot-detection sensors and ID cards equipped with panic buttons. However, even as the school security market emerges as a multibillion-dollar industry, there is little evidence the tools will prevent another shooting.