Mr Scott has not yet said he will back it, telling reporters he would "review the bill line by line" and consult victims' families.
While some may argue access to firearms is their right to freedom, I don't think anyone should have that freedom if they don't respect it. "There is now going to be a real conversation about how we make our schools safe".
Speaking on behalf of the 17 families, Tony Montalto, whose 14-year-old daughter, Gina, was killed, called the new law the "beginning of the journey" to prevent "future acts of horrific school violence".
The Florida state Senate passed a bill on Monday that would allow school staff, excluding most teachers, to carry firearms.
The bill, which received bipartisan support, would incentivize authorities to report criminal histories to the National Instant Criminal Background Check System (NICS). "If you look at the federal government, nothing seems to have happened there", he said. So we'll see where things go from here.
While the bill's provisions respond to most of the appeals of the student activists and their parents, it left out a key demand: the ban on the AR-15 assault weapon.
The governor can not veto individual items in the bill itself, but he does have line-item veto power with the budget.
Florida lawmakers for decades, as detailed in a recent New Yorker profile of the state's NRA lobbyist, have been under the unhealthy sway of the gun lobby.
"Students and staff have the right to teach and learn in an environment free from the worry of being gunned down in their classrooms or on their way home from school".More news: Trump spurns experts for his video game meeting
What is in the new law?"I expect it to play a large role in his Senate race".
The state law introduces new gun restrictions in the state and a provision that allows trained teachers to arm themselves.
Although he signed the bill, Scott continued to be vocal about his dislike about one aspect of it - the Coach Aaron Feis Guardian Program, which permits some teachers and other school employees to carry firearms on school grounds after completing a training program under the direction of a sheriff's office.
"This ban particularly infringes upon, and imposes and impermissible burden upon the Second Amendment rights of those NRA members...who are female", the suit said.
The bill is less than what many survivors had sought.
SHAPIRO: NPR's Brakkton Booker joins us now from Parkland, Fla. "By changing the bell schedule, GCPS will be teaching students how to use their voice to advocate for change in a manner that does not infringe upon the rights or safety of other students". "It means 'shall not infringe.' It's not really very complicated".
The measure would raise the minimum age to buy rifles from 18 to 21 and create a waiting period on sales of the weapons.
Many Democrats are continuing to call the guardian program a poison pill that could lead to deadly racial profiling.
In today's dollars, Florida is spending 40 percent less on mental health than it did in 2000, according to Melanie Brown-Woofter, interim president of the Florida Council for Community Mental Health.
The $400 million package kindled political and ideological divisions for lawmakers already on edge after the heart-wrenching testimony from the shooting survivors and parents of the 14 slain students and three faculty members.