Ottawa Catholic School Board Kindergarten Registration: If your child will be 4 or 5 years old by December 31, 2018, then it’s time to register for the kindergarten program. Kindergarten Registration Week is Jan. 15-19 at your local Catholic elementary school, or anytime throughout the year. We welcome all. All schools offer French programming within a caring, innovative and faith-filled environment. Visit http://ocsb.ca/register/.