The governing board of any high school district may provide for the maintenance on Saturday of special day and evening classes in career technical training authorized and provided for by any program of national defense of the federal government, or any agency thereof, acting through the State Department of Education.

No apportionments from state funds based upon average daily attendance in special day or evening classes, whether maintained on Saturday or other days, shall be made where the total cost of the classes is borne by the federal government, or any agency thereof.