It signifies how properly the student is executing on the disciplines. As talked about, it is the equal with the GPA. It could be calculated by the next method: C R = ? k = 1 N C C i ? file ( 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 displaystyle di