Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 22, 2014
You might be surprised to learn that, of all 50 states, the one that spends the most money on public preschool is Oklahoma. And researchers at Georgetown University have concluded that Oklahoma's investment easily pays for itself over students' lifetimes. Here's a look inside Nikki Jones' preschool classroom in Tulsa.