California Code, Public Contract Code - PCC § 20119.4

(b) To determine the best value contractor, the school district shall divide each bidder's price by its qualifications score.  A preference of up to 5 percent shall be applied to the price of a bid submitted by a small business, as defined by the school district, before dividing the bidder's price by its qualification score.  The lowest resulting cost per quality point will represent the best value bid.  The award of the contract shall be made to the bidder whose bid is determined, by the school district in writing, to be the best value to the school district.

(c) The school district shall issue a written decision of its contract award or else reject all bids.

(d) Upon issuance of a contract award, the school district shall publicly announce its award identifying the project, the project price, the best value contractor to which the award is made, as well as the prices, qualification scores, and resulting costs per qualification point for all responsive bidders.  The contract file shall include documentation sufficient to support the decision to award.