You're right; parents have a major role to play in education. They have to speak the language as much as possible, particularly when they live in a majority anglophone environment. They must not forget to speak the language. Our organizations are working on this kind of awareness.
In addition, as my neighbour mentioned earlier, there are a lot of exogamous couples. So English is always very much present, in the family, with the parents and the grandparents. English is really very much present.