California Code, Education Code - EDC § 35184

(a) Notwithstanding any other provision of law, the governing board of a high school district may enter into a contract with the governing board of any of its feeder elementary school districts to provide instruction at the schools of the high school district to all or a portion of the pupils enrolled in the sixth grade at the contracting elementary school district.

(b) For the purpose of computing allowances and apportionments pursuant to Chapter 4 (commencing with Section 41600) and Article 2 (commencing with Section 42230) of Chapter 7 of Part 24, the contracting elementary school shall continue to report average daily attendance for those sixth grade pupils. Upon receipt of any funds allocated to the elementary school district based upon the average daily attendance reported for those sixth grade pupils, the contracting elementary school district shall transfer those moneys to the contracting high school district.