(a) In this section, “e-cigarette” has the meaning assigned by § 161.081, Health and Safety Code.
(b) The board of trustees of a school district shall:
(1) prohibit smoking or using e-cigarettes or tobacco products at a school-related or school-sanctioned activity on or off school property;
(2) prohibit students from possessing e-cigarettes or tobacco products at a school-related or school-sanctioned activity on or off school property; and
(3) ensure that school personnel enforce the policies on school property.