Sec. 8. CANDIDATE FOR COUNTY SCHOOL TRUSTEE; APPLICATION; ELIGIBILITY. (a) Any person desiring to have his name printed on the ballot as a candidate for the office of county school trustee shall file his written application with the secretary of the board of county school trustees at least 15 days before the date of the election.
(b) No person is eligible to be a candidate unless he is a qualified elector in the State of Texas.