Cal. Education Code § 17407

(a) The governing board of any school district may enter into an agreement with any person, firm, or corporation under which that person, firm, or corporation shall construct, or provide for the construction of, a building to be used by the district upon a designated site and lease the building and site to the district. The instrument shall provide that the title to the building and site shall vest in the district at the expiration of the lease, and may provide the means or method by which the title to the building and site shall vest in the district prior to the expiration of the lease, and shall contain other terms and conditions as the governing board of the district deems to be in the best interest of the district. (b) The agreement entered into shall be with the lowest responsible bidder who shall give the security that any board requires. The board may reject all bids. For the purpose of securing bids the board shall publish at least once a week for two weeks in some newspaper of general circulation published in the district, or if there is no paper, then in some paper of general circulation circulated in the county, a notice calling for bids, stating the proposed terms of the agreement and the time and place where bids will be opened. (c) This section shall become operative on January 1, 2019.