California Code, Education Code - EDC § 49417

(a) A public school may solicit and receive nonstate funds to acquire and maintain an automated external defibrillator (AED).  These funds shall only be used to acquire and maintain an AED and to provide training to school employees regarding use of an AED.

(b) Except as provided in subdivision (d), if an employee of a school district complies with Section 1714.21 of the Civil Code in rendering emergency care or treatment through the use, attempted use, or nonuse of an AED at the scene of an emergency, the employee shall not be liable for any civil damages resulting from any act or omission in the rendering of the emergency care or treatment.

(c) Except as provided in subdivision (d), if a public school or school district complies with the requirements of Section 1797.196 of the Health and Safety Code, the public school or school district shall be covered by Section 1714.21 of the Civil Code and shall not be liable for any civil damages resulting from any act or omission in the rendering of the emergency care or treatment.

(d) Subdivisions (b) and (c) do not apply in the case of personal injury or wrongful death that results from gross negligence or willful or wanton misconduct on the part of the person who uses, attempts to use, or maliciously fails to use an AED to render emergency care or treatment.

(e) This section does not alter the requirements of Section 1797.196 of the Health and Safety Code.