Now in half the time, GRE remains the most widely used measure of graduate readiness Today, ETS announced that beginning this September, the GRE General Test will take less than two hours to complete roughly half the time of the current test. This makes the GRE General Test the shortest and most efficient test among top professional, business and law school admissions test options. The shorter GRE test will continue to provide test takers and institutions with the same valid and reliable scores