Cameron Kasky, a student at Marjory Stoneman Douglas High School, speaks to protesters at a Call To Action Against Gun Violence rally by the Interfaith Justice League and others in Delray Beach, Florida, U.S. February 19, 2018.
Students from Marjory Stoneman Douglas High School walk by a sign in the Senate office building on the way to speak with Florida state legislators, following last week's mass shooting on their campus, in Tallahassee, Florida, U.S., February 20, 2018.
Students from Marjory Stoneman Douglas High School are welcomed as they arrive at Leon High School, prior to their meetings the next day with Florida state legislators, following last week's mass shooting on their campus, in Tallahassee, Florida, U.S., February 20, 2018.
Students from Marjory Stoneman Douglas High School and those supporting them react as they watch the Florida House of Representatives vote down a procedural move to take a bill banning assault weapons out of committee and bring it to the floor for a vote on February 20, 2018 in Tallahassee, Florida, U.S. following last week's mass shooting on their campus.
Marjory Stoneman Douglas High School student leaders Cameron Kasky and Jaclyn Corin speak to the crowd prior to boarding buses travelling to Tallahassee, Florida to meet with legislators, in Coral Springs, Florida, U.S. February 20, 2018.
Candace Taylor (C), a student from West Boca Raton Community High School grieves with schoolmates, at Marjory Stoneman Douglas High School, during a protest to show support, following a mass shooting in Parkland, Florida, U.S., February 20, 2018.
A student holds a sign addressing the National Rifle Association during a demonstration calling for safer gun laws outside the North Carolina State Capitol building six days after the shooting at Marjory Stoneman Douglas High School, in Raleigh, North Carolina, U.S., February 20, 2018.
Students from West Boca Raton Community High School walk to Marjory Stoneman Douglas High School, during a protest to show support, following a mass shooting in Parkland, Florida, U.S., February 20, 2018.
Marjory Stoneman Douglas High School students board buses to travel to Tallahassee, Florida to meet with legislators, in Coral Springs, Florida, U.S. February 20, 2018.
Barb Ramaley (R), a school crossing guard at Marjory Stoneman Douglas High School and Jane Irish embrace during a student protest, following a mass shooting in Parkland, Florida, U.S., February 20, 2018. REUTERS/Carlos Garcia Rawlins - RC1F2E5DAC90
Students from Marjory Stoneman Douglas High School and those supporting them react after the Florida House of Representatives vote down a procedural move to take a bill banning assault weapons out of committee and bring it to the floor for a vote on February 20, 2018 in Tallahassee, Florida, U.S. following last week's mass shooting on their campus.
A high school student places a candle representing one of the victims of the shooting at Marjory Stoneman Douglas High School outside the North Carolina State Capitol building during a demonstration calling for safer gun laws, in Raleigh, North Carolina, U.S., February 20, 2018.
Image used for illustrative purposes. Sen. Bobby Powell, D-Riviera Beach, looks on his computer at gun control bills moving through the Senate as he talks with students from Marjory Stoneman Douglas High School and those that support their cause, following last week's mass shooting on their campus, in Tallahassee, Florida, U.S., February 20, 2018.
Students from West Boca Raton Community High School walk on the street as they arrive to Marjory Stoneman Douglas High School, during a sympathy protest, following a mass shooting in Parkland, Florida, U.S., February 20, 2018.
Students from West Boca Raton Community High School try to grab a bottle of water during a protest to show support for Marjory Stoneman Douglas High School, following a mass shooting in Parkland, Florida, U.S., February 20, 2018.
Tyra Hemans, 19, a senior at Marjory Stoneman Douglas High School students board buses to travel to Tallahassee, Florida to meet with legislators in Coral Springs, Florida, U.S. February 20, 2018.
High school students observe a moment of silence in memory of the victims of the shooting at Marjory Stoneman Douglas High School, during a demonstration calling for safer gun laws outside the North Carolina State Capitol building in Raleigh, North Carolina, U.S., February 20, 2018.
Students from West Boca Raton Community High School carry a placard as they walk to Marjory Stoneman Douglas High School, during a protest to show support, following a mass shooting in Parkland, Florida, U.S., February 20, 2018. REUTERS/Carlos Garcia Rawlins
Marjory Stoneman Douglas High School students board buses to travel to Tallahassee, Florida to meet with legislators, in Coral Springs, Florida, U.S. February 20, 2018.
A student holds a sign noting the use of the AR-15 automatic rifle in multiple mass killings, after a demonstration calling for safer gun laws outside the North Carolina State Capitol building six days after the shooting at Marjory Stoneman Douglas High School, in Raleigh, North Carolina, U.S., February 20, 2018.
One of the busses carrying students from Marjory Stoneman Douglas High School arrive at Leon High School, prior to their meetings the next day with Florida state legislators, following last week's mass shooting on their campus, in Tallahassee, Florida, U.S., February 20, 2018.
Florida shooting survivors push for gun control
Survivors of the shooting at Marjory Stoneman Douglas High School have sparked a youth-led protest movement that has galvanized advocates for stricter gun control.