TEXAS ELECTION CODE / TITLE 9. CANDIDATES
CHAPTER 141. CANDIDACY FOR PUBLIC OFFICE GENERALLY
SUBCHAPTER A. ELIGIBILITY FOR PUBLIC OFFICE
Sec. 141.001. ELIGIBILITY REQUIREMENTS FOR PUBLIC OFFICE.
(a) To be eligible to be a candidate for, or elected or appointed to, a public elective office in this state, a person must:
(1) be a United States citizen;
(2) be 18 years of age or older on the first day of the term to be filled at the election or on the date of appointment, as applicable;
(3) have not been determined by a final judgment of a court exercising probate jurisdiction to be:
(A) totally mentally incapacitated; or
(B) partially mentally incapacitated without the right to vote;
(4) have not been finally convicted of a felony from which the person has not been pardoned or otherwise released from the resulting disabilities;
(5) have resided continuously in the state for 12 months and in the territory from which the office is elected for six months immediately preceding the following date:
(A) for a candidate whose name is to appear on a general primary election ballot, the date of the regular filing deadline for a candidate's application for a place on the ballot;
(B) for an independent candidate, the date of the regular filing deadline for a candidate's application for a place on the ballot;
(C) for a write-in candidate, the date of the election at which the candidate's name is written in;
(D) for a party nominee who is nominated by any method other than by primary election, the date the nomination is made; and
(E) for an appointee to an office, the date the appointment is made;
(6) on the date described by Subdivision (5), be registered to vote in the territory from which the office is elected; and
(7) satisfy any other eligibility requirements prescribed by law for the office.
School Board Trustee (Education Code, Chapter 11)
1) Residence -- 1 year in state and 6 months in school district prior to filing deadline (Texas Elec. Code, Section 141.001(a); Brown v. Patterson, 609 SW 2nd 287)
2) Age -- 18 years or older
3) Must be a registered voter in territory elected from by the filing deadline