(1) School districts shall permit students to wear an item or object of cultural significance with or attached to their gown at high school commencements and other official graduation ceremonies and events. For the purposes of this section, "an item or object of cultural significance" may include multiple items or objects if they are traditionally worn or used together. Items or objects worn in accordance with this section must be befitting of the ceremony or event and adhere to applicable decorum requirements of the school district.
(2) This section governs school operation and management under RCW 28A.710.040 and 28A.715.020 and applies to charter schools established under chapter 28A.710 RCW and state-tribal education compact schools subject to chapter 28A.715 RCW to the same extent as it applies to school districts.
(3) Nothing in this section limits the discretion and authority of a school district to prohibit items or objects that are likely to cause a substantial disruption of, or material interference with, a high school commencement or other official graduation ceremony or event.
(4) Nothing in this section modifies or otherwise effects [affects] RCW 28A.600.500.