Tex. Educ. Code § 106.31

The board shall establish the several departments in the university, determine the offices, professorships, and other positions at the institution, appoint a president, appoint the professors and other officers and employees and prescribe their duties, and fix their respective salaries. The board shall enact bylaws, rules, and regulations deemed necessary for the successful management and government of the institution. The board may remove any professor, instructor, tutor, or other officer or employee connected with the institution when, in its judgment, the best interests and proper operation of the institution requires it.