It signifies how perfectly the scholar is doing at the disciplines. As mentioned, it's the equal with the GPA. It might 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=one ^ NC C_ i displaystyle dis