Gov. Rick Scott will deploy eight Florida Highway Patrol troopers to help secure the Marjory Stoneman Douglas High School campus.
The move comes less than a day after the Broward Sheriff's Office suspended a deputy who was found sleeping in his patrol car outside the school.
Three Stoneman Douglas students were also charged Tuesday in unrelated incidents -- two for allegedly bringing weapons to campus and one for allegedly making a threat of violence on social media, the sheriff's office said.
"Today, my office heard from parents and students of Marjory Stoneman Douglas High School, including parents who lost their children during the February attack. They are still concerned about student safety at school," said Scott in a statement released Wednesday.
"It is imperative that the proper steps are immediately taken at all schools, including Marjory Stoneman Douglas to keep students and staff safe."
"Parents, students and teachers have recently endured one of the worst tragedies in Florida history. They must be assured that every necessary step is being taken to increase safety and ensure no unauthorized people are allowed on campus."
Deputy Moises Carotti was suspended with pay, pending an investigation. A Stoneman Douglas student found Carotti asleep outside the 1200 building where 17 people were killed on Feb. 14.