High School Diploma Online Courses

Instructor: Carrie Soucy
Those seeking a high school diploma may take the GED, for which there are a multitude of online classes and resources available. Read on to learn about the GED high school equivalency diploma and the online classes that will help you earn one.

Online High School Diploma Prep Courses

To earn a GED credential, one must take an in-person exam, but many online courses are available to those preparing for this high school diploma equivalency test. Online resources range from subject-specific courses for each section of the GED test to a comprehensive course, such as's GED Study Guide, covering all exam content. Most businesses and schools accept the GED as equal to a high school diploma for employment and higher education applications.

Courses for Each Section of the GED

The GED exam comprises four subtests, each measuring a test-taker's high-school-level knowledge in important subject areas. Online courses for each section are available on These prep courses include easy-to-follow video lessons, quizzes and practice exams. Students may access lessons at their convenience and finish courses as their schedules permit.

SectionDescription of Skills TestedTest TimeOnline Prep Courses
Math Algebraic and quantitative problem solving115 minutes GED Math
Science Reasoning, understanding and the practical application of life, physical, and earth and space science 90 minutes GED Science
Social Studies Reasoning, understanding and the practical application of civics, government, economics, U.S. History and geography 90 minutes GED Social Studies
Reasoning Through Language Arts Reading comprehension, writing, and understanding language contextually 150 minutes GED Reasoning Through Language Arts

Additional Information

  • GED testing centers are located throughout the United States and around the world. You may locate a center and register online (
  • GED exam administrators provide detailed breakdowns of each subtest online.
  • Official GED practice tests are available for purchase on the GED marketplace website (

Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

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