CA Educ Code Section 37220.7

(a)

In addition to the holidays prescribed in Section 37220, public schools may be closed on the fourth Friday in September, known as “Native American Day,” if the governing board, pursuant to a memorandum of understanding reached pursuant to Chapter 10.7 (commencing with Section 3540) of Division 4 of Title 1 of the Government Code, agrees to close schools for that purpose.

(b)

On the fourth Friday in September, or if schools are closed on that date as specified in subdivision (a), on an alternate day determined by the governing board, public schools and educational institutions throughout this state may include exercises, funded through existing resources, commemorating and directing attention to the many contributions that Native Americans have made to this country. The State Board of Education may adopt a model curriculum guide to be available for use by public schools for exercises related to Native American Day.