Within a few months of returning to in-person classes when the COVID-19 pandemic eased in mid-2021, San Francisco public schools found themselves in serious trouble. Brawling group fights seemed to come one after another. Some students—even middle schoolers—were bringing knives and guns to school, and at least one serious injury resulted. Within a few months of returning to in-person classes when the COVID-19 pandemic eased in mid-2021, San Francisco public schools found themselves in serious trouble. Brawling group fights seemed to come one after another. Some students—even middle schoolers—were bringing knives and guns to school, and at least one serious injury resulted. Social Sciences Education Phys.org – latest science and technology news stories