GED exam comprises of 5 tests: (1) Language Arts, Writing; (2) Social Studies; (3) Science; (4) Language Arts, Reading; (5) Mathematics
These tests are designed to measure knowledge and skills that students learn in highschool. They include multiple choice questions, short-answers, and data analysis.
GED is the only standardized test that is equivalent to highschool diploma and is accredited by 50 states in the USA.
The exam is administered every month and there have been more than 18 million test takers passing the exam.