I am Canadian and at least how it seemed to work here is that you have a designated school and then special provisions could make you eligible for a different s

I am Canadian and at least how it seemed to work here is that you have a designated school and then special provisions could make you eligible for a different school, like taking APs or being coded gifted, or having a learning disability might get you somewhere else. If you didn't have something like that, anecdotally people were stuck.