105 ILCS 5/10-6
The directors shall hold regular meetings at such times as they may designate, and special meetings at the call of the president or of any 2 members. Public notice of meetings must be given as prescribed in Sections 2.02 and 2.03 of the Open Meetings Act. No official business shall be transacted by the directors except at a regular or a special meeting. In consolidated districts and in districts electing a 7-member board of school directors under subsection (c) of Section 10-4, 4 directors shall constitute a quorum for the transaction of business. In all other districts 2 directors shall constitute a quorum for the transaction of business. If the president or clerk is absent from any meeting or refuses to perform his duties, a president or clerk pro tempore shall be appointed. At each regular and special meeting which is open to the public, members of the public and employees of the district shall be afforded time, subject to reasonable constraints, to comment to or ask questions of the board. When the president or district superintendent of schools receives a written correspondence from a resident within the school district's territory, requesting the consideration of a matter before the board, the author of the correspondence shall receive a formal written statement from an appointed official of the board stating the board's position on their request, no later than 60 days from the receipt of the correspondence by the president or district superintendent of schools. The formal written response from the board shall establish a meeting before the board or list the reasons for denying the request.
105 ILCS 5/10-6