Linda Lyon, a retired Air Force colonel and president of the Arizona School Boards Association, responds to a reader who supports school choice, charters, vouchers, and home schooling.

She writes:

”Yes Charles, you are correct that the military industrial complex does provide a valuable service to our military mission. There are many functions that are not a core competency of the military (such as building airplanes) that have made sense to be outsourced. But, outsourcing the defense of our nation is not one of those functions. Where we’ve done that, as with Blackwater, it has not ended well.

“Of course education is “built” on a mix of public and private. After all, our public district schools don’t publish their own textbooks, or build their own buses or computers. But, as with the military, the core mission of our districts — to educate ALL our children, should not be outsourced. I…