Nikki is a 17-year-old student at Marjory Stoneman Douglas High School in Florida. This is why she is marching for her life.
Marjory Stoneman Douglas school on the first day back
And then, people forgot. They stopped caring, and Columbine and Sandy Hook became tragedies that we remember once a year and then forget again because its too painful. Not this time. We want to make sure the narrative is, finally, different. We want people to know that we will not be silenced. Unlike the pupils at Columbine, we have the power of social media and citizen journalism to tell our own story our own way. Unlike those at Sandy Hook kindergarten, we have the age and composure to tell our story ourselves, and advocate for ourselves. The voices of children cannot be ignored. The story of the students starts with Stoneman Douglas.Follow Newsbeat on Instagram, Facebook and Twitter. Listen to Newsbeat live at 12:45 and 17:45 every weekday on BBC Radio 1 and 1Xtra - if you miss us you can listen back here.
Related TopicsFloridaSchoolsFlorida school shootingSandy Hook Elementary School shootingColumbine High School massacreSocial mediaYoung people