It starts with the course demand statistics wich define the number of sections to be offered and it corresponds to the schedule registration of each one of the courses offered during the period, including maximum seating classroom and teacher assigned.

Schedules with sections 50 or 70 correspond to courses assigned to students registering for the first time and therefore they do not have seating availability.

If you do not find skating in any section of a subject, try for alternatives in other sections and if you do not find any other possible solution, register on waiting list.