19 years ago today, 12 students and a teacher died in the Columbine school shooting, that shook America and its gun laws.
"It will show that we care and that we're concerned about this issue and that we're trying our best to stop this from happening again", said 9th grader, Johnnah Bailey.
From spoken words to song, from young adults to accomplished politicians, the nation has watched activists speak out and fight for more regulation since 17 people were killed at Marjory Stoneman Douglas High School on Valentine's Day.
Students at Shenendehowa High School held their own walkout on Friday.
Liberty and Freedom High Schools in Bethlehem were among those that did not participate in Friday's walkout.
Students say they wanted to participate in the protest Neville High School but got some unexpected push back on the day of. The latest were held on the 19th anniversary of the shooting at Columbine High School in Littleton, Colorado.
"I'm glad to see students practicing what we teach them, that there is a way to disagree professionally, that there is a way to have your voice heard", L&N STEM Principal Becky Ashe said.
"We might be an apathetic looking generation - not anymore", said Mehtma. Like many other politicians, Pelosi did not directly address the walkout on Twitter, instead using the Columbine anniversary as a chance to call for action on gun control. "They're getting mistreated", said Nathaniel Vincent, Lathrop High School.
The Columbine massacre haunted the nation, and remained the deadliest high school shooting in US history-until Parkland. "This is about keeping our kids safe, keeping us safe, and letting us go to school, you know?" "I'm glad we have the support of the community".
"If we keep the ball rolling, if we keep moving, that means we get more voices registered, we get more students registered and it means that our cause will continue to fight", said organizer Kai Tomalin.