Access the Oklahoma State Department of Education's official website and click the "Request for Duplicate GED Documents" link.
Download, print and complete the request form. You must provide your full name at the time of testing, date of birth, Social Security number, approximate test location and year and a daytime phone number on the request form. Be sure to place a check mark in the blank beside "GED High School Diploma and Transcript." As of May 2011, include a $20 money order made payable to the Oklahoma State Department of Education.
Mail the request form and payment to:
Lifelong Learning Section
Oklahoma State Department of Education
2500 North Lincoln Boulevard, Room 115
Oklahoma City, OK 73105-4599
You can also deliver your request in person to the address listed above.