Haw. Rev. Stat. § 302A-1305: Inactive student activity accounts.

Student activity funds that are left in the school for a period of five years after the graduation of the class shall be deposited into the nonappropriated local school fund account unless the graduating class donates, in writing, the funds to the school within the five-year period. Moneys in the nonappropriated local school fund account may be used by the school.