 For the final grades, the best out of four quizzes are taken in each post and pre-half session, which makes their total weightage 150 (for IXth or earlier standards) or 125 (for post IXth standard).Both half-yearly and yearly have a weightage of 100 marks for each subject.The total weightage, for classes other than Xth and XIIth, for each subject thus becomes-

Although quizzes, half-yearly and pre-board exams are conducted for Xth and XIIth standards too, only the marks obtained in final board exam, which is conducted by CBSE, are counted.