Arizona is ground zero in 2018, but the push is much more ambitious than vouchers.

“The Charles Koch Institute distributed roughly $100 million to 350 colleges and universities last year, up sevenfold over the past five years. What’s newer is the emphasis on elementary and secondary education. The network declined to offer exact figures but said it will double investment in K-12 this year, with much more planned down the road...

Arizona is ground zero in 2018, but the push is much more ambitious than vouchers.

“The Charles Koch Institute distributed roughly $100 million to 350 colleges and universities last year, up sevenfold over the past five years. What’s newer is the emphasis on elementary and secondary education. The network declined to offer exact figures but said it will double investment in K-12 this year, with much more planned down the road...