A new federal study says armed security officers are becoming more prevalent at America's schools as a heated debate rages over whether teachers and other school officials should carry guns.

According to data from a survey conducted by the National Center for Education Statistics and released Thursday, armed officers were present at least once a week in 43 percent of all public schools during the 2015-16 school year, compared with 31 percent of schools a decade before.

The decision whether or not to arm teachers has also been a hot-button issue since last month's shooting in Florida.

Education Secretary Betsy DeVos has said that schools should have the option to arm teachers.  Here's more from WILX-TV 10.