(a) No student in a public school in the state shall possess or use a remotely activated paging device unless such student obtains the written permission of the school principal for such possession and use. The principal shall grant such permission only if the student or his parent or guardian establishes to the satisfaction of the principal that a reasonable basis exists for the possession and use of the device.

      (b) A local or regional board of education may restrict the student possession or use of cellular mobile telephones in the schools under its jurisdiction. In determining whether to restrict such possession or use, the local or regional board of education shall consider the special needs of parents and students.