The costs of taking the GED test vary from state to state, so it is best to check with your testing administrator for the most up-to-date testing fees. The GED testing service charges local testing agencies $30 to administer each subject area test, for a total of $120 for the complete GED test. The cost to the student is determined by the testing center and can vary. Most states seem to charge by subject or module, with many charging $30 or less. To find what the current fees to take the GED test are in your state, go to this page on the official GED Testing Services site.