(a) In this section:
(1) “Institution of higher education” has the meaning assigned by § 61.003.
(2) “Protective hairstyle” includes braids, locks, and twists.
(b) Any student dress or grooming policy adopted by an institution of higher education, including a student dress or grooming policy for any extracurricular activity, may not discriminate against a hair texture or protective hairstyle commonly or historically associated with race.