On March 14, one month after a teenager armed with a semiautomatic weapon slaughtered 14 students and three adults inside Marjory Stoneman Douglas High School in Parkland, Florida, thousands of students from more than 3,000 schools joined the youth-led National School Walkout and pushed for immediate and meaningful gun control.
Among the Parkland students’ most urgent demands: ban the sale of semiautomatic assault weapons like the AR-15 used in the Parkland shooting.