In February 2018, Laura Esposito was part of a small group of Southern Regional High School students who organized a peaceful demonstration outside the school to memorialize those killed during a shooting at Marjory Stoneman Douglas High School in Parkland, Fla. At the time, part of her mantra was the “need to be better humans.”

On Saturday, June 6, Esposito, a 2018 Southern graduate, along with friends Schneider Juste and Olivia Sattan – who graduated from Southern last year – will lead a march…