Cal. Ed. Code § 38111
The governing board of each school district shall, except as otherwise provided in this code, purchase school furniture, including musical instruments, and apparatus, and such other articles as are necessary for the use of schools, and may, in its discretion, purchase uniforms and other regalia for the use of school bands, orchestras and choirs, and including uniforms and equipment necessary for the use of athletic teams. The provisions of Article 1 of Chapter 4 of Division 5 of Title 1 of the Government Code shall not apply to the purchase of musical instruments made pursuant to this section. Any such articles purchased shall always remain the property of the school district purchasing them. Only such books, apparatus, uniforms, and equipment shall be purchased by the governing board of an elementary school district, if the board is not a city board of education, as have been adopted by the county board of education having jurisdiction over the district.
Ca. Educ. Code § 38111