California Code, Education Code - EDC § 51141

(1) Provide written evidence, in the form of a letter or document, either of which shall be no longer than one page, to a school administrator that demonstrates that the informational materials provided by the drowning or injury prevention organization align with the drowning, drowning prevention, water safety, rescue, and swim skills lesson information found on the drowning prevention web page of the federal Centers for Disease Control and Prevention, which includes evidence-based water safety and drowning prevention information vetted through such authorities on drowning and drowning prevention as the American Academy of Pediatrics and the American Red Cross, among other sources.

(2) Provide informational materials at no cost to the public school and allow the school to offer copies of the materials to pupils and parents and decide how the materials are made available.