Juliette Singer, a 17-year-old student from the Las Vegas Academy, left, and Emma Tatum, a 17-year-old student from Nevada State High School, practice chants before the start of the Las Vegas Marc …

Juliette Singer, a 17-year-old student from the Las Vegas Academy, left, and Emma Tatum, a 17-year-old student from Nevada State High School, practice chants before the start of the Las Vegas March for Our Lives event at Symphony Park in Las Vegas on Saturday, March 24, 2018. Andrea Cornejo Las Vegas Review-Journal @dreacornejo