Spring Valley students Charlotte Jones, 15, from left, Karoline Binelo, 16, and Mia Trotchie, 15, at Spring Valley High School on Friday, Feb. 23, 2018, Jones, Binelo and Trotchie are planning a m …

Spring Valley students Charlotte Jones, 15, from left, Karoline Binelo, 16, and Mia Trotchie, 15, at Spring Valley High School on Friday, Feb. 23, 2018, Jones, Binelo and Trotchie are planning a march for student safety on March 14. Amelia Pak-Harvey Las Vegas Review-Journal