In order to get more precise measurements of student's performances within a group in CEGEP, the R score was adopted in 1995 to replace the exclusive use of the Z-score. Failed courses have been given a reduced weight since October 2004. Physical education courses have been given an R score since fall 2007. Up until 2017, the R score didn't include the IDGZ but used the ISG. The number 75 indicates the provincial average and the number 14 indicates its standard deviation in pourcentage. \text{ISG} = \frac{[\text{avg. grade results of Secondary 4 and 5 of all students in group}] - 75}{14} An additional score of 0.5 was also added to the overall R score of a student graduating with an
International Baccalaureate degree or a . The adjustment of the Z score using the IDGZ has made that unnecessary. ==Criticism==