It represents how nicely the coed is executing at the disciplines. As talked about, it is the equal on the GPA. It could be calculated by the next method: C R = ? k = 1 N C C i ? f ( 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 displaystyle displaysty