It's less and less the case; it's even the contrary. The policy changed a number of years ago. Minority francophone groups provide far more statistics to parents. The francophone schools can offer increasingly relevant and interesting programs. Students in immersion programsand look at their genealogy and claim they are rights holders and enter minority francophone programs. Of course, they don't always enrol, but people are nevertheless interested in studying in a francophone minority school.
On March 12th, 2009. See this statement in context.