(a) “General election” means the election held for school officers on the Tuesday following the first Monday in November of odd-numbered years, and in the case of special elections of any school officers to fill vacancies, the election at which any such officer is finally elected.

(b) “Primary election” means the election held on the first Tuesday in August of each odd-numbered year, and any other preliminary election at which part of the candidates for special election to any school office are eliminated by the process of the election but at which no officer is finally elected.