Clear backpacks among changes coming for Stoneman Douglas students

When Marjory Stoneman Douglas High School students return from next week's spring break, they will be required to use only clear backpacks at school, the superintendent said.

Each student will be given a clear backpack at no cost, Superintendent Robert Runcie said in a letter Wednesday.

Students and staff must also wear ID badges at all times at school, he said.

These changes, among others, come in the wake of some reported incidents at the school after last month's massacre.

On Tuesday, a Stoneman Douglas student was arrested for allegedly making a threat on Snapchat, according to the Broward County Sheriff's Office.

The Marjory Stoneman Douglas High School shooting and aftermath

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On Feb. 14, 2018, a former student at the Marjory Stoneman Douglas High School in Parkland, Fla., entered the school and opened fire with an AR-15 style rifle, killing 17 students and staff and injuring 17 more in one of the deadliest school attacks in U.S. history.Here, the school is pictured from the air after reports of the shooting on Feb. 14, 2018.

Joe Raedle/Getty Images

On Monday, an officer allegedly fell asleep while in a marked patrol car on the school's campus, authorities said. The officer was suspended with pay pending an internal affairs investigation.

Two students were also arrested this week in separate, unrelated incidents for allegedly bringing in knives to Stoneman Douglas, authorities said.

And the suspected gunman's brother, Zachary Cruz, was arrested on Monday for allegedly trespassing on school grounds, according to police.

After these incidents, over 700 students stayed home from school on Wednesday, ABC affiliate WPLG reported.

The superintendent's letter on Wednesday did not mention any connection between these reported incidents and the new security measures.

Beyond the backpacks and IDs, there will now be eight Florida Highway Patrol troopers to help secure entry points at the school after Gov. Rick Scott’s request for extra protection.

Moreover, the district "is exploring options for consolidating points of entry for students and staff to include utilizing metal-detecting wands and potentially installing permanent metal detectors," Runcie said. "These measures further enhance the Single Point of Entry currently in place for campus visitors."

"The safety and security of our students and employees remain our highest priorities," Runcie said. "While we cannot change the heartbreaking and senseless act of violence at Marjory Stoneman Douglas, by working together, we can change the future."

ABC News' Rachel Katz and Ben Stein contributed to this report.