Usually, when B.Ed. graduates want to teach in French schools, or French Immersion, they need to be approved by the School District.
If someone that already speaks French takes our B.Ed. Elementary program, they can request to do their practicums in a French speaking school. This will allow that school to become familiar with them and recognize their language abilities.
Here is a site I found that may be helpful for someone wanting to be a teacher in a French school or a French Immersion school:
Information from Lolina Koopmans, Education Program Advisor, email January 21, 2022