No, that's what it is.
But we do have to specify that we are talking about francophones outside Quebec. If you project that figure onto a population of basically one million, and you include primary and secondary aged children, that's the count of those between 5 and 17. That is perfectly within the norm.
There is one other thing that you must not forget. It is that, given the birth rate, the number of children corresponds to the one you mention. I am not saying that, in 2016, the results of the census are not going to show an increase in that number, but we are in fact talking about around 200,000 children from 5 to 17. So it reflects the reality.