Yes, schools can use shipping containers for storage where the school board and local authorities accept the specific site and storage use. That is not a blanket Canadian permission: board policies, provincial rules and municipal classifications differ. A defensible plan keeps entry staff-controlled as a risk-management default, separates delivery from student activity, and makes clear that approval for storage does not authorize a classroom, office, change room or any other occupied use.
Screen the proposal against school use before location
Create a no-student operating boundary
Storage cannot quietly become occupancy
Match contents to school control systems
Lay out the store for staff handling
Inspect for water, pests and seasonal access
Run a school-day failure exercise
Define the site, contents and staff-only operation
Provide district approval, proposed inventory, student and vehicle circulation, access control and inspection ownership before selecting a container.

