Prohibits the use of cell phones while driving on school property during reduced speed time zones in order to improve pedestrian safety. The ban applies to any school property where a school crossing zone is present. The only exceptions to the law are when the vehicle is stopped, the driver is using a hands-free device, or if the individual is in the process of making an emergency call or operating an emergency vehicle.

See section in the Texas Transportation Code:

Use of wireless communication in a school crossing zone or while operating a school bus with a minor passenger.