It represents how effectively the student is accomplishing on the disciplines. As mentioned, it is the equivalent of the GPA. It can be calculated by the subsequent components: C R = ? k = one N C C i ? f ( N i ) ? k = one N C C i displaystyle CR=textstyle frac textstyle sum _ k=1 ^ NC C_ i cdot f(N_ i )displaystyle textstyle sum _ k=one ^ NC C_ i