Exam Day and PA Day: There are no classes for secondary students on the Quadmester exam day. This means that on Thursday, February 3, secondary schools will be closed to all students. In addition, Friday, February 4 is a PA Day. Semester Return: All LDCSB secondary schools will return to a traditional semester model (four courses each day) on Monday, February 7. Homeroom information will be posted at each secondary school on Monday and students will receive their timetable during their first period class.