It represents how properly the scholar is performing with the disciplines. As stated, it's the equal with the GPA. It could be calculated by the subsequent system: C R = ? k = one N C C i ? file ( N i ) ? k = 1 N C C i displaystyle CR=textstyle frac textstyle sum _ k=one ^ NC C_ i cdot file(N_ i )displaystyle textstyle sum _ k=1 ^ NC C_ i displayst