105 ILCS 75/15
An elementary or secondary school must provide notification to the student and his or her parent or guardian that the elementary or secondary school may not request or require a student to provide a password or other related account information in order to gain access to the student's account or profile on a social networking website . An elementary or secondary school must provide notification to the student and his or her parent or guardian that the elementary or secondary school may conduct an investigation or require a student to cooperate in an investigation if there is specific information about activity on the student's account on a social networking website that violates a school disciplinary rule or policy. In the course of an investigation, the student may be required to share the content that is reported in order to make a factual determination. Notification under this Section must be published in the elementary or secondary school's disciplinary rules, policies, or handbook or communicated by similar means.
105 ILCS 75/15