Cal. Education Code § 52328

(a) Any school district, located in whole or in part in a county contiguous with the Republic of Mexico, or any county superintendent of schools of a county contiguous with the Republic of Mexico, which maintains a regional occupational center may enter into a student exchange agreement with a trade and technical training school located in the Republic of Mexico. Such student exchange agreement shall permit Mexican students to take all or part of their occupational training in the regional occupational center and shall permit United States students to take all or part of their occupational training in the Mexican trade and technical school. (b) In computing the average daily attendance of the regional occupational center, the Superintendent of Public Instruction shall include any Mexican students in attendance if all of the following conditions are met: (1) The student exchange agreement provides as nearly as practicable for the exchange of students on a one-for-one basis between the regional occupational center and the trade and technical school. (2) The educational services provided the United States students in Mexico are at least equivalent in quality to the services provided in the regional occupational center. (3) The student exchange agreement has been approved by the Superintendent of Public Instruction prior to its operative date. (c) No average daily attendance shall be credited to the regional occupational center for the United States students while in attendance at the Mexican trade and technical school.