It signifies how perfectly the student is carrying out with the disciplines. As described, it is the equivalent from the GPA. It may be calculated by the following formula: C R = ? k = 1 N C C i ? file ( N i ) ? k = one N C C i displaystyle CR=textstyle frac textstyle sum _ k=one ^ NC C_ i cdot f(N_ i )displaystyle textstyle sum _ k=1 ^ NC C_ i dis