(a) Except as provided by Section 37.125, a person other than a primary or secondary grade student commits an offense if the person intentionally disrupts, prevents, or interferes with the lawful transportation of children:
(1) to or from school on a vehicle owned or operated by a county or independent school district; or
(2) to or from an activity sponsored by a school on a vehicle owned or operated by a county or independent school district.
(b) An offense under this section is a Class C misdemeanor.
(c) It is an exception to the application of Subsection (a)(1) that, at the time the person engaged in conduct prohibited under that subdivision, the person was younger than 12 years of age.