It represents how properly the student is undertaking at the disciplines. As pointed out, it's the equal of the GPA. It may be calculated by the next components: C R = ? k = 1 N C C i ? f ( N i ) ? k = 1 N C C i displaystyle CR=textstyle frac textstyle sum _ k=1 ^ NC C_ i cdot file(N_ i )displaystyle textstyle sum _ k=one ^ NC C_ i displaystyle dis