Here is a list of school bus cancellations for Tuesday, Jan. 23, 2018:

Durham District School Board: School buses cancelled in Zone 1 (Brock) today. Schools remain open.

Durham Catholic District School Board: School buses cancelled in Zone 1 (Brock) today. Schools remain open.

Dufferin-Peel Catholic District School Board: School buses cancelled in Dufferin County only. Schools are open.

Halton Student Transportation Services: Halton public and Halton Catholic district schools are open but transportation services are cancelled in Zones 2 and 3.