(a) In all school districts of the first class the school year shall begin on the first day of January of each year and the school directors shall meet and organize annually during the second week of November.

(a.1) In all school districts of the first class A, the school directors shall meet and organize annually during the first week of December.

(b) In all school districts of the second, third, and fourth class, except as hereinafter provided, the school year shall begin on the first day of July of each year and the school directors shall meet and organize annually during the first week of December.

(c) When a new school district is created, or when the offices of all the school directors of a district become vacant, the school directors appointed by the court, in any such case, shall meet and organize within ten days after their appointment.

(d) When two or more school districts are consolidated in any manner provided in this act and under the provisions of this act the members of the boards of directors of the respective districts continue in office during the respective terms for which they were elected and become the school directors of the consolidated district, they shall organize during the first week of July following such consolidation by electing a president and vice-president who shall hold their respective offices until the first Monday of December following their election, and by the election of a secretary for the consolidated district who shall serve for the remainder of the term for which secretaries are elected, and by the election of a treasurer for the consolidated district who shall hold office for the school year.