Texas Government Code - GOV'T § 552.135. Exception: Confidentiality of Certain Information Held by School District

(a) “Informer” means a student or a former student or an employee or former employee of a school district who has furnished a report of another person's possible violation of criminal, civil, or regulatory law to the school district or the proper regulatory enforcement authority.

(b) An informer's name or information that would substantially reveal the identity of an informer is excepted from the requirements of Section 552.021.

(c) Subsection (b) does not apply:

(d) Information excepted under Subsection (b) may be made available to a law enforcement agency or prosecutor for official purposes of the agency or prosecutor upon proper request made in compliance with applicable law and procedure.

(e) This section does not infringe on or impair the confidentiality of information considered to be confidential by law, whether it be constitutional, statutory, or by judicial decision, including information excepted from the requirements of Section 552.021.