"We can not protect them when they leave the campuses", Barbieri said.
Students at other area schools also staged walkouts on Tuesday, including Fort Lauderdale and Hollywood McArthur high schools.
"Hi my name is Kayla N and I am a 15 year old that attends Leto High School". To see more, visit WLRN 91.3 FM. "I hope Donald Trump and the government hears us and tries to make some changes".
"[I'm] super proud of my daughter for walking here from her school and for supporting her friends and for standing up for a cause", said Veronica Block, who arrived at the school after.
After reading and watching coverage of the mass shooting, Beyer High School junior Sophia Potochnik said she was deeply shaken.
"I think people underestimate children and adolescents and what they can do, but look at all of he numbers we have here", another student said.
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The students, who support stricter gun control laws, walked out of the high school at 2201 Encinal Ave.at about 11 a.m. Wednesday but returned to class by about 12:30 p.m., according to school and police officials. "We obviously support the First Amendment rights of students and we try to get them to go about it the right way", he said.
"We made a decision to walk all the way here so that people would listen to the message", said Sempere, "so that there's less school shootings and more gun control".
Betsy Subiros, a 15-year-old freshman, said last Wednesday's shooting at Marjory Stoneman Douglas left her heartbroken because numerous kids were her age.
At this time, Venice is the only Sarasota County school known to have students who participated in a walk-out.
"We are going to register people to vote, we are going to fundraise, we are going to organize, we are going to take your seats and then one day we are going to run for office because I want to dream of running for office, not running from school shooters", Hogan said.
Before the protests, Rochester Public Schools said in a statement that no students would face consequences for participating in the peaceful protests.