260. Every three years, the school board shall determine, in accordance with the criteria it establishes by by-law, a plan of allocation and destination of its immovables.
Once a plan is established under the first paragraph, the school board shall draw up a list of the schools in its territory and shall issue a deed of establishment to them in accordance with the plan.
The school board shall give public notice of the list of the schools and their deeds of establishment.
The deeds of establishment have effect from the beginning of the school year.