(a) The board of trustees of a school district shall prohibit the use of alcoholic beverages at a school-related or school-sanctioned activity on or off school property.
(a-1) This section does not apply to a performing arts facility leased to a nonprofit organization for an event as provided by § 11.179.

(b) The board of trustees of a school district shall attempt to provide a safe alcohol-free environment to students coming to or going from school. The board of trustees may cooperate with local law enforcement officials and the Texas Alcoholic Beverage Commission in attempting to provide this environment and in enforcing Sections 101.75, 109.33, and 109.59, Alcoholic Beverage Code. Additionally, the board, if a majority of the area of a district is located in a municipality with a population of 1.3 million or more, may petition the commissioners court of the county in which the district is located or the governing board of an incorporated city or town in which the district is located to adopt a 1,000-foot zone under § 109.33, Alcoholic Beverage Code.