Program approval by the superintendent of public instruction shall be as follows:

(1) Each application that is submitted as required by and pursuant to this chapter shall be approved: Provided, that approval of an application may be withheld in whole or part in the event the superintendent of public instruction deems it necessary to ascertain the completeness and accuracy of the application;

(2) Each school district shall be notified of program approval status, within thirty days after the date of receipt of the application by the superintendent of public instruction; and

(3) Each application that is returned to a school district with approval withheld in whole or part shall be accompanied by an explanation of the reasons therefore and a statement of the corrective action necessary for approval.