You can write GMAT test if you are at least 18 years old or more. Students in the age group of 13 to 18 years can also write GMAT, if their parents would make request to GMAC council. Your GMAT score will help you in getting admission into MBA School of your choice. Since the GMAT test measures what you have learnt through previous studies and predicts your success in the first year of management studies; it is advisable that you will take the test during completion of your Under Graduate studies. The GMAT score is required when you apply for graduate admissions to management schools. To appear in GMAT test you do not require any formal qualification in management and related areas.
