GED (General Educational Development) testing in the state of Oklahoma is handled by the Oklahoma Department of Education. The state is continuing its partnership with GED Testing Service and, as of January 1, 2014, offers the new 2014 computer-based GED test.
You'll find some helpful links to Oklahoma policies, and to the GED Testing site.
Good luck! Come back and share your experience with others: Which Part of the GED Test Is Easiest/Hardest?