(Francisco Kjolseth | The Salt Lake Tribune) West High School 7th grader Sadie Nelson-Stippich, 12, joins fellow students after walking out of classes in Salt Lake, during a planned student walkout on Wed. March 14, 2018. Students in Utah and around the country planned the large-scale coordinated demonstration to protest gun violence and memorialize victims of last month's mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla.