Intervening to help students or their family members who may have alcohol or other drug problems. Teachers and other employees of school districts may intervene to help students or their family members who appear to have problems with alcohol and other drugs by encouraging them to seek an assessment and treatment. School personnel who intervene shall have immunity from civil liability in accordance with the Alcoholism and Drug Addiction Intervenor and Reporter Immunity Law. School personnel shall not be subject to disciplinary action by the school because of an intervention and may not be prohibited by school policy from intervening.