California Code, Education Code - EDC § 17016

(a) The board, by the adoption of rules, may establish priorities for the construction and leasing of projects to those school districts the pupils of which will benefit most. The board may make exceptions from established priorities when it determines that to do so will benefit the pupils affected.

(b) The board may adopt rules establishing priorities for the acquisition and leasing of portable classrooms to county superintendents of schools that will most benefit pupils needing a county community school. The board shall require each county superintendent of schools who leases portable classrooms pursuant to Section 17017.2 to demonstrate that the portable classrooms are utilized solely for operation of a county community school.