Cal. Educ. Code § 17388

The governing board of any school district may, and the governing board of each school district, prior to the sale, lease, or rental of any excess real property, except rentals not exceeding 30 days, shall, appoint a district advisory committee to advise the governing board in the development of districtwide policies and procedures governing the use or disposition of school buildings or space in school buildings which is not needed for school purposes.