A Marjory Stoneman Douglas High School student stops to look at one of the memorials following their return to school in Parkland, Fla., on Feb. 28. Wednesday, the Senate Judiciary Committee is holding a hearing on school safety.

A Marjory Stoneman Douglas High School student stops to look at one of the memorials following their return to school in Parkland, Fla., on Feb. 28. Wednesday, the Senate Judiciary Committee is holding a hearing on school safety.