As a rule of thumb, three to six months is about the right amount of time to keep up the intensity it takes to prepare for the GMAT. Dragging out your preparation won’t necessarily improve your score. There are often diminishing returns after a certain point in the process.
Unlike other tests, the GMAT is testing your abilities rather than your knowledge. You can think of preparing for the GMAT like training for a marathon. You are building up your ability over time to do your best on the day. A large part of the GMAT skillset is gained through practice. Lots and lots of practice.
According to the Graduate Management Admission Council (GMAC), the organization behind the GMAT exam, those who score over 700 report studying over 90 hours for the test.
GMAC is careful to note, however, that there is no cause and effect process at work. Spending more hours studying does not guarantee a high score, but it is helpful to keep over a hundred hours of preparation as a ballpark figure for your practice. READ MORE