Catastrophe definition, a sudden and widespread disaster: the catastrophe of war. See more.
1 Total Time: The computer-delivered GRE takes 3 hours and 45 minutes for the average student.  Experts recommend sitting for the GRE exam one year prior to entering graduate school. This allows for ample study time and the option to retake it if desired.
The GRE is scored in three parts: Math and Verbal scores range between 130 and 170, and Analytic Writing scores range between 0 and 6, scored in half-point increments. The GRE lasts 3 hours, 45 minutes, not including short breaks. Our GRE prep options help keep you on the ball in terms of timing. Your GRE score remains valid for five years, and is accepted at thousands of graduate and business schools.