Thousands of local students sit for 17 minutes in honor of the 17 students killed last month in a high school shooting in Florida, during a nationwide student walkout for gun control in front the White House in Washington, DC, March 14, 2018. [Photo: Getty Images]
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Students from Harvest Collegiate High School form a circle around the fountain in Washington Square Park on March 14, 2018 in New York to take part in a national walkout to protest gun violence, one month after the shooting in Parkland, Florida, in which 17 people were killed. Students across the US walked out of classes on in a nationwide call for action against gun violence following the shooting deaths last month at a Florida high school. The nationwide protest is being held one month to the day after Nikolas Cruz, a troubled 19-year-old former student at Stoneman Douglas, unleashed a hail of gunfire on his former classmates. [Photo: Getty Images]
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Students from Harvest Collegiate High School form a circle around the fountain in Washington Square Park. [Photo: Getty Images]
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Students stand outside during the ENOUGH: National School Walkout rally at Marjory Stoneman Douglas High School in Parkland, Florida, U.S., on Wednesday, March 14, 2018. Politicians, law enforcement and survivors of the Florida school shooting last month came together at a Senate Judiciary Committee hearing Wednesday as students left classrooms across the country to protest gun violence, the gun industry, and what many of them consider to be America's dangerously lax gun laws. [Photo: Getty Images]
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Signs line a fence outside at Marjory Stoneman Douglas High School during the ENOUGH: National School Walkout rally in Parkland, Florida. [Photo: Getty Images]
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Students react to a memorial outside Marjory Stoneman Douglas High School during the ENOUGH: National School Walkout rally in Parkland, Florida. [Photo: Getty Images]
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People sit outside as students participate during the ENOUGH: National School Walkout rally at Marjory Stoneman Douglas High School in Parkland, Florida. [Photo: Getty Images]
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Students at Philadelphia High School of Creative And Performing Arts participate in a walkout to address school safety and gun violence on March 14, 2018. [Photo: Getty Images]
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Students at Philadelphia High School of Creative And Performing Arts participate in a walkout to address school safety and gun violence on March 14, 2018. [Photo: Getty Images]
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Students at Philadelphia High School of Creative And Performing Arts participate in a walkout to address school safety and gun violence on March 14, 2018. [Photo: Getty Images]
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Students at Science, Language and Arts International School participate in a walkout to address school safety and gun violence on March 14, 2018 in Brooklyn, New York. [Photo: Getty Images]
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Students at Newtown High School take part in the National School Walkout on March 14, 2018 in Sandy Hook Connecticut. Several hundred students at the school, near the site of the Sandy Hook school massacre of December 14, 2012, staged a protest one month after 17 people were killed at Stoneman Douglas High School in Parkland, Florida. [Photo: Getty Images]
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Students from Lane Technical College Preparatory High School hold sigs as they take part in a nation wide school walkout to demand an end to gun violence in Chicago, Illinois on March 14, 2018. [Photo: Getty Images]
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Students from Lane Technical College Preparatory High School hold sigs as they take part in a nation wide school walkout to demand an end to gun violence in Chicago, Illinois on March 14, 2018. [Photo: Getty Images]
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Students at Science, Language and Arts International School participate in a walkout to address school safety and gun violence on March 14, 2018 in Brooklyn, New York. [Photo: Getty Images]