The National School Walkout website details the objective and expectations of Friday's event: "We are walking out for those who lost their lives to gun violence, to talk about the real problems our country is facing and to find solutions (to) the problems that our leaders have failed to address".
"This issue needs constant attention if we hope to change anything", the National School Walkout website says, "so multiple events on multiple days is a productive way to help fight for our cause, a safer country".
On March 14, students at several Valley high schools joined a walkout one month after 17 people were killed in the Parkland shooting.
More than 2,500 walkout events are planned across the country. Hill said she doesn't believe Columbine's viewpoint was taken into account as the national walkout was planned.
Similar events will follow in different cities leading up to a final voter registration drive in Parkland ahead of the November midterm election. Compare that to the more than 10 minutes that networks devoted to the pro-gun control National School Walkout Day.
-Marion County Public School spokesperson " This is a student led event and each Volusia high school has a plan based on their students' interest in participating. The Student Government Association at Seabreeze High School in Daytona Beach came up with a slogan for the occasion: Be kind.
A majority of American teens (57%) say they are very or somewhat anxious about the possibility of a shooting happening at their school, and most parents of teens share that concern (63%), according to new Pew Research Center surveys of teens ages 13 to 17 and parents with children in the same age range.More news: Vice President Mike Pence makes quick visit to Colorado Springs
Students from the Shenendehowa Central School District put forth a set of demands to lawmakers including funds for "devices that make it harder for an intruder to enter classrooms", longer wait times to buy a firearm, and a ban on teachers carrying firearms in schools.
"We will have police officers blocking streets and protecting us", they said. "That would mean so much more to us than students walking out on that day". "We want to break that and come together as a school, like how (Columbine High School) came together after the tragedy".
Students will take 13 seconds to honor the 13 killed at Columbine High School in 1999.
For DeAngelis, these shootings create an unfortunate bond with school leaders across the country. Teachers today have seen an entire generation of students come of age under the direct threat of these weapons and practicing active shooter drills.
"I went from having my bill defeated in committee on a party-line vote, and then literally 12 hours later, I was meeting with the President", Rep. Neville said.
"Change happens through patience and this fight does not stop after April 20", Murdock says.
"We recommend students do not go to school that day, that way schools can not stop them from participating and the event will not be considered school affiliated", a statement from local organizers said.