9. Use of a cellular/digital telephone, pager, or other mobile communications device during school hours

Such devices shall be turned off during school hours, except when being used for a valid instructional or other school-related purpose as determined by the teacher or other district employee, and at any other time directed by a district employee. Any device with camera, video, or voice recording function shall not be used in any manner which infringes on the privacy rights of any other person.

No student shall be prohibited from possessing or using an electronic signaling device that is determined by a licensed physician or surgeon to be essential for the student's health and the use of which is limited to purposes related to the student's health. (Education Code 48901.5)