The students carried signs with messages such as "Our Blood/Your Hands" and "Never Again" and chanted slogans against the NRA.
While students across the nation walked out of school amid the national gun control debate, the 19-year-old accused of killing 17 people and wounding more in the Florida school shooting sat in court silently with his head bowed.
In Atlanta, about 600 students at Booker T. Washington High School left their classrooms to "take a knee" in a silent protest, taking inspiration from a number of famous athletes who have protested police brutality and institutionalized racism in recent months.
Some students said they were threatened with disciplinary actions or kicked out of school clubs.
It wasn't the shooting last month at Marjory Stoneman Douglas High School that spurned senior Emma Hughes into organizing a school walkout in Brunswick. In Massachusetts, Georgia and OH, students said they'll head to the statehouse to lobby for new gun regulations.
Students spoke, and then the names of the victims, along with short biographies, were read. We want to feel safe in our schools. "I'm not sure exactly where they'll be pulling this all together outside or where the speakers will stand", Chisum said. "This is up to us".
Security video shows a Florida sheriff's deputy go toward the high school building while a gunman massacred 17 students and staff members, but he stayed outside with his handgun drawn.
"We've lost innovators, inventors", he said.
"As we saw the Parkland kids start to speak out, there was a sense that something about the aftermath of this shooting had to be different".
"I believe in transparency with the public and I believe they should see it", Broward County Schools Superintendent Robert Runcie told the Sun Sentinel.
"By praying for the victims, we could bring a great focus to the victims in this situation, and by unified prayer, we could have a powerful impact", Jabo said.
Blackman's video received more than 5.75 million views, was retweeted 55,660 times and liked more than 277,000 times at the time of publishing the story. I'm not blaming officials for anything, I'm not accusing them of doing anything wrong.
A snow day not stopping these students in the Boston are from participating in the Walk Out for Action.
Edkins said the walkout was "respectful and organized" and after the 17 minutes students went right back to class and got to work.
When contacted by a Chronicle reporter, the school stated that participating students were allowed to walk out and did not receive repercussions other than the unexcused absence.
She thanked social studies teacher John Limeburner for helping make the student-driven walkout a reality.
The National Rifle Association also responded to the nationwide walk-outs saying in a tweet, "I'll control my own guns, thank you".
"We want change made here and obviously we want to create a national movement to help us get change for the whole country", said Pascal Betkert, a student at Cambridge Rindge and Latin.
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