A Dallas-area school district will require all students to use clear backpacks next year.

Ennis Independent School District Superintendent John Chapman III said in a letter to parents and guardians that officials were "putting additional procedures in place" to ensure safety, the Dallas Morning News reported.

“Some procedures will not be a convenience to students and staff,” Chapman wrote.

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“Unfortunately, heightened security is not a convenience. Look at our airports and large events we attend. Security takes time, and we ask for your patience.”

The district will also require junior high and high school students to wear a student ID next year, hire additional officers and have canine units visit the campuses more frequently.

Additional security cameras are also planned.

Chapman said in a statement to the newspaper that safety of students and staff is the district's "number one priority."

"While we work each day to provide educational excellence for every child in every classroom every day, our primary responsibility must be to keep our children and staff safe," he said.

"Our parents and guardians have entrusted us with a priceless gift by sending their children to our schools, and we take that responsibility very seriously."

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The heightened security measures come as gun control has become a central issue in the wake of the deadly shooting last month at a high school in Parkland, Fla.

Students who survived the shooting have become vocal advocates for gun control and are demanding that lawmakers pass new gun laws to prevent future shootings.

On Saturday, hundreds of thousands of people in cities across the country marched to protest gun violence and demand action.

Marjory Stoneman Douglas High School in Parkland has also upped security measures since the shooting, including requiring students to use clear backpacks.