Prometric and the IELTS partners have just published a concordance study comparing the CELPIP and IELTS-General tests.

It is a very nice study.  I just want to mention that of the 1089 participants, seemingly not a single one earned an IELTS writing score of 9.0.  Two participants earned a score of 8.5.  This is the fourth concordance study in a row involving IELTS in which not a single person reported a perfect writing score.  I don’t know if that’s meaningful,  but it amuses me.