[1] CGCS opened in 1976 as a port-a-pak complex with five classrooms, one bathroom and a combined staff and storage room.

The CGCS students were bused to the Our Lady of Wisdom School for gym class and library time.

When the CGCS opened, its staff consisted of ten members: Robert Laplante, Susan Rheaume, Rosina Davis, Colleen Plante, Norma Menard, Georges Lajeunesse, Martine Bealne, Faye Powell, Betty Sharland, and Dan Charbonneau In September 1979, CGCS opened its new school building.

Following in chronological order were Joanne LaPlante, Dr. Margaret McGrath, Joan Gravel, Robert Benning, Paul Wubben, and g CGCS is now home to more than 300 staff and students, including 27 teachers, principals, custodians, and librarians.

Since the 2008/2009 school year, the OCSB students who took part in the Education Quality Accountability Office (EQAO) standardized test scored just below Provincial standing in reading, writing, and mathematical skills.