Teachers across the nation and in Vermont have been grappling with how to talk with students after the mass shooting in Uvalde, Texas, that left 19 students and two teachers dead.While undeniably tragic, data show mass shootings account for less than 1% of the roughly 40,000 people killed by guns each year in this country.One Lamoille Union High School teacher says he focuses on that data when speaking with students and helping them process.