How Oklahoma’s universal pre-K program became a model for its progressive peers. Support our work. Become a Vox Member today: http://www.vox.com/memberships Universal pre-K, an ambitious social program usually championed by progressives, has been in place in one of the most conservative US states since 1998. Oklahoma’s universal pre-k program was just the second in the country (behind Georgia) and has since become a model for how these programs can boost school readiness, economic well-being,