N.Y. Educ. Law § 16
Any person having reasonable cause to suspect that a student has been subjected to harassment, bullying or discrimination, by an employee or student, on school grounds or at a school function, who, acting reasonably and in good faith, reports such information to school officials, to the commissioner or to law enforcement authorities, acts in compliance with paragraph e or i of subdivision one of section thirteen of this article, or otherwise initiates, testifies, participates or assists in any formal or informal proceedings under this article, shall have immunity from any civil liability that may arise from the making of such report or from initiating, testifying, participating or assisting in such formal or informal proceedings, and no school district or employee shall take, request or cause a retaliatory action against any such person who, acting reasonably and in good faith, either makes such a report or initiates, testifies, participates or assists in such formal or informal proceedings.
N.Y. Educ. Law § 16