As for OU (EE), it depends on two conditions:
1. whether he can pass the minimum admission requirements of OCIECE; and
2. whether he can find a prof who would like to supervise him.
Around 13,000 canadian dollars per year (tuition fees) are required for international graduate students. If his score is high enough, i.e. at least 85/100 or above 9/10, he would have a good chance to be granted Admission Scholarship that consequently waives him at least 7,000 canadian dollars per year.