(a) Whenever any pupil in grades kindergarten through nine (9) fails to report to school on a regularly scheduled school day and no indication has been received by school personnel that the pupil’s parent or guardian is aware of the pupil’s absence, a reasonable effort to notify, by telephone, the parent or guardian shall be made by school personnel or volunteers organized by the school committee of each city, town, or regional school district or the director or other person in charge of private schools of elementary and secondary grades.
(b) School committees, school personnel, or volunteers organized pursuant to this section shall be immune from any civil or criminal liability in connection with the notice to parents of a pupil’s absence or failure to give the notice required by this section.