General Educational Development (GED) credential

What the GED covers

The GED test measures foundational knowledge across core academic domains. Typical subject areas include science, mathematics, social studies, reading for information, and written communication. Official descriptions of each subject area may be found on resources that describe the test outline, for example science, mathematics, social studies, reading, and writing. Testing accommodations and language options vary; versions of the test are also offered in other languages in some locations, including Spanish and French.

Administration and development

The GED is produced and administered through an organized testing service rather than any single school. Over time the responsibility for test development and delivery has involved partnerships with educational publishers and testing organizations. Policies, delivery formats and proctoring protocols have evolved to include computer-based testing and standardized scoring to ensure comparable credentialing across jurisdictions.

Eligibility and regional differences

Eligibility rules for taking the GED vary by state or province. Common requirements include age minimums (many places require test takers to be at least 16 years old) and restrictions on current high school enrollment or prior high school graduation. Because rules differ, prospective candidates should consult local education authorities or the testing service for precise criteria and any documentation needed before registering to test.

Purpose, recognition and limitations

The GED credential is used for multiple purposes: to demonstrate attainment of secondary-level skills for employment, to meet education prerequisites for many colleges and training programs, and to provide a pathway for adult learners to continue education. Recognition can vary: most employers and many postsecondary institutions accept the GED as equivalent to a high school diploma, but some selective programs, licensing bodies, or specific jurisdictions may have additional requirements or preferences.

Preparation, alternatives and notable distinctions

Preparation options include classroom courses, adult education programs, self-study guides, and online practice tests. Local community colleges and adult learning centers often run preparatory classes. There are other high school equivalency tests used regionally that serve a similar purpose; candidates should compare test formats, cost, availability and regional acceptance before choosing. For all practical concerns, it is advisable to review official guidance on registration, test centers and accommodations through the authorized testing service or local education offices.

Quick reference

• Official test information and registration: GED information.
• Alternative to a traditional high school diploma.
• Availability in North America: Canada, United States.
• Core subject descriptions: science, math, social studies, reading, writing.
• Language options: Spanish, French.