Section 105 ILCS 5/10-4 - Election of directors(a) In all districts, directors shall be elected in each odd-numbered year, each for a term of 4 years.(b) In consolidated districts where 5 directors are elected in 1981 pursuant to the extension of terms provided by law for transition to the consolidated election schedule under the general election law, those directors elected shall, by lot, determine 2 of their number to serve 2 years and 3 to serve 4 years; their successors shall serve for a 4 year term.(c) If a proposition to increase the membership of a school district's board of school directors to 7 directors and to elect a new 7-member board of school directors to replace the district's existing board of 3 school directors is approved by the electors of the district at a regular scheduled election as provided in subsection (b) of Section 10-1, 7 members shall be elected at the next regular school election, in the manner provided by Article 9, to serve as the board of school directors of that district. The terms of office of the 3 members of the board of school directors serving at the time of the election of the initial 7-member board of school directors shall expire when the 7 newly elected members of the initial 7-member board of school directors assume office and are organized as provided in Section 10-5. At their organizational meeting, the initial members of the 7-member board of school directors shall by lot determine 4 of their number to serve 4 year terms and 3 of their number to serve 2 year terms. Their successors shall serve for a 4 year term.(d) In all other districts, one school director shall be elected in each district every other odd-numbered year, and two school directors shall be elected in the intervening odd-numbered years.(e) When a vacancy occurs in the membership of any board of school directors the remaining members shall, within 30 days, fill the vacancy by appointment until the next regular school election, or, upon their failure so to do, the regional superintendent shall make such appointment within the next 30 days to fill the vacancy as herein provided. Upon the regional superintendent's failure to fill the vacancy, the vacancy shall be filled at the next regularly scheduled election. P.A. 90-757, eff. 8/14/1998.