Tex. Family Code § 151.001

(a) A parent of a child has the following rights and duties:

(1) the right to have physical possession, to direct the moral and religious training, and to designate the residence of the child;

(2) the duty of care, control, protection, and reasonable discipline of the child;

(3) the duty to support the child, including providing the child with clothing, food, shelter, medical and dental care, and education;

(4) the duty, except when a guardian of the child's estate has been appointed, to manage the estate of the child, including the right as an agent of the child to act in relation to the child's estate if the child's action is required by a state, the United States, or a foreign government;

(5) except as provided by Section 264.0111, the right to the services and earnings of the child;

(6) the right to consent to the child's marriage, enlistment in the armed forces of the United States, medical and dental care, and psychiatric, psychological, and surgical treatment;

(7) the right to represent the child in legal action and to make other decisions of substantial legal significance concerning the child;

(8) the right to receive and give receipt for payments for the support of the child and to hold or disburse funds for the benefit of the child;

(9) the right to inherit from and through the child;

(10) the right to make decisions concerning the child's education;

(11) the right to designate the school the child will attend and to enroll the child in the school, subject to any eligibility or admissions requirements; and

(12) any other right or duty existing between a parent and child by virtue of law.

(b) The duty of a parent to support his or her child exists while the child is an unemancipated minor and continues as long as the child is fully enrolled in a secondary school in a program leading toward a high school diploma and complies with attendance requirements described by Section 154.002(a)(2).

(c) A parent who fails to discharge the duty of support is liable to a person who provides necessaries to those to whom support is owed.

(d) The rights and duties of a parent are subject to:

(1) a court order affecting the rights and duties;

(2) an affidavit of relinquishment of parental rights; and

(3) an affidavit by the parent designating another person or agency to act as managing conservator.

(e) Only the following persons may use corporal punishment for the reasonable discipline of a child:

(1) a parent or grandparent of the child;

(2) a stepparent of the child who has the duty of control and reasonable discipline of the child; and

(3) an individual who is a guardian of the child and who has the duty of control and reasonable discipline of the child.