I know which test I need to take. Where can I take the official test? How much will it cost? Is there a practice test? Posted byAustin Powell February 7, 2019August 4, 2022 A I know which test I need to take. Where can I take the official test? How much will it cost? Is there a practice test? You can get answers to those questions and more information about each test on these websites: GED® test HiSET®