Illinois Statutes Chapter 105. Schools § 5/10-11. Vacancies

1. The death of the incumbent.

2. His or her resignation in writing filed with the Secretary or Clerk of the Board.

3. His or her becoming a person under legal disability.

4. His or her ceasing to be an inhabitant of the district for which he or she was elected.

5. His or her conviction of an infamous crime, of any offense involving a violation of official oath, or of a violent crime against a child.

6. His or her removal from office.

7. The decision of a competent tribunal declaring his or her election void.

8. His ceasing to be an inhabitant of a particular area from which he was elected, if the residential requirements contained in Section 10-10.5, 11E-35, or 12-2 of this Code are violated.

No elective office except as herein otherwise provided becomes vacant until the successor of the incumbent of such office has been appointed or elected, as the case may be, and qualified. The successor shall have the same type of residential qualifications as his or her predecessor and, if the residential requirements contained in Section 10-10.5, 11E-35, or 12-2 of this Code apply, the successor, whether elected or appointed by the remaining members or a regional superintendent, shall be an inhabitant of the particular area from which his or her predecessor was elected.