Northwest CDSB Cath Dist Sch Brd (E/F) ｜ Ontario Board Information Website http://www.tncdsb.on.ca Schools in Northwest CDSB 5 schools. Our Lady of the Way Stratton | Grades JK-8 Sacred Heart Separate School Sioux Lookout | Grades JK-8 St Josephs Separate School Dryden | Grades JK-8 St Mary Separate School Fort Frances | Grades JK-8 St Patrick's School Atikokan | Grades JK-8