There is a cutoff set for class 12th percentage in many entrance exams also many competitive exams therefore it is better to have a good marks in class 12th to avoid exit due to cut off also you are 12th marks indicates your subject you knowledge therefore as per 12th there are many private companies which may select a candidate for a job if many persons apply for a job then they may 17 criteria based on class 12th percentage to sort the candidate therefore 12th marks are very important for future prospective.