One of our daughters and her family were transferred to Canada. They liked it pretty well, but were unimpressed with their public school system. They put their kids in a Catholic school.
From my work in admissions at a Canadian post-secondary institution, I’m guessing that your daughter was in either Alberta or B.C.. Here in Ontario, while there are distinctions between schools, they are along the lines of distinctions that may be found between any schools rather than one system being clearly superior to the other.