For the weekend period acquired during the allocation process, these rates also apply; For all weekends requested from September, the price of the weekend, tournament and special event below is charged. Groups must book at least 3 hours or adjust their reservation to anticipate or track an existing reservation. Groups may be asked to adapt their booking in order to accommodate staff in schools. Information package for school heads and facilitators on the common use of schools. This program was developed in collaboration with the City of Calgary, the Calgary Board of Directors of Education and the Calgary Catholic School District. Groups wishing to rent a CBE school to teach a language such as Heritage Language School must be members of the Southern Alberta Heritage Language Association (SAHLA). .