(CNN)Not even a month ago, students at Santa Fe High School took a stand against gun violence by walking out of their classrooms in solidarity with their peers across the nation.
In April, they walked out to protest school shootings. Today, they were victims of one
With signs that read "Santa Fe High School SAYS #NeverAgain," they sat outside for 17 minutes of silence.
Today, the same students were left reeling from a shooting at their own school.
Nine students and one teacher were killed, 10 others were wounded, a law enforcement official told CNN.