To gain admission to postgraduate programs in the United States, applicants are required to take the Graduate Record Examination (GRE). The Educational Testing Service (ETS) administers the GRE, which evaluates a candidate's general abilities in Verbal Reasoning, Quantitative Reasoning, and Analytical Writing. These skills are not specific to any one field of study but instead assess broader, long-term academic capabilities..
In the US, the GRE is typically required for admission to graduate programs. If you're applying to graduate school, you'll most likely need to take the GRE as part of the application process