Wellington CDSB Cath Dist Sch Brd (E/F) ｜ Ontario Board Information Website www.wellingtoncdsb.ca Schools in Wellington CDSB 23 schools. Bishop Macdonell Catholic Secondary School Guelph | Grades 9-12 Holy Rosary Catholic School Guelph | Grades JK-8 Holy Trinity Catholic School Guelph | Grades JK-8 Mary Phelan Catholic School Guelph | Grades JK-8 Our Lady of Lourdes Catholic School Guelph | Grades 9-12 Sacred Heart - Rockwood Catholic Elementary School Rockwood | Grades JK-8 Sacred Heart Catholic School Guelph | Grades JK-8 St Francis of Assisi Catholic School Guelph | Grades JK-8 St Ignatius of Loyola Catholic School Guelph | Grades JK-8 St James Catholic School Guelph | Grades 9-12 St John Bosco Catholic School Guelph | Grades 9-12 St John Brebeuf Catholic School Erin | Grades JK-8 St John Catholic School Guelph | Grades JK-8 St John Catholic School, Arthur School Arthur | Grades JK-8 St Joseph - Fergus Catholic Elementary School Fergus | Grades JK-8 St Joseph Catholic School Guelph | Grades JK-8 St Mary - Elora Catholic Elementary School Elora | Grades JK-8 St Mary - Mount Forest Catholic Elementary School Mount Forest | Grades JK-8 St Michael Catholic School Guelph | Grades JK-8 St Patrick Catholic School Guelph | Grades JK-8 St Paul Catholic School Guelph | Grades JK-8 St Peter Catholic School Guelph | Grades JK-8 Wellington Catholic Online School Guelph | Grades 9-12