Verify that you are eligible. You can take the GED if you are at least 16 years, are not be enrolled in high school and have never graduated from high school. If you are under 18, you may need to have an official letter of withdrawal from your high school or a parental permission slip. Check your state's requirements.
Learn about the structure of the GED. The test has five sections covering reading, writing, social studies, science and mathematics. A score of 410 is required on each section, and an average score of 450 is needed to pass the whole test.
Enroll in a GED preparation course. Use the link below to locate a GED preparation center in your area. Because of the Adult Education and Family Literacy Act, there are low-cost GED centers in every state.
Take as many practice tests as possible. Buy books of GED practice tests, or take online tests such as the one linked to below. Time the tests and get used to working under pressure.
Work on your weak points. Consider finding a tutor for any sections of the GED that you are having problems with.
Get ready for the test day. Get a good night's sleep, eat a healthy breakfast and wear comfortable clothes. Get to the testing center early.