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.
If a particular school needs to receive GRE scores by December 1st, you know that you have to take the GRE at least 15 days before that in order for your scores to be received in time. Additionally, when you know how soon youâll get your GRE scores, you can use that information to plan for if/when youâd like to retake the test. Be aware that you can only take the GRE once every 21 days, and no more than five times within any 12-month period. Final Review: How Long Does It Take to Get GRE Scores?