??????????????????????????????????????????????????????????? ???? ???????It signifies how nicely the coed is executing at the disciplines. As pointed out, it's the equal with the GPA. It might be calculated by the following system: C R = ? k = 1 N C C i ? file ( N i ) ? k = 1 N C C i displaystyle CR=textstyle frac textstyle sum _ k=one ^ NC C_ i cdo