The State Board of Education shall provide all the textbooks for use in the public schools of the State on a rental system whereby the pupils in the public schools will pay an annual rental in an amount to be fixed by the State Board of Education, in its discretion, graduated as to grades, sufficient to pay all the costs of the administration of this article and the purchase of any books necessary to be acquired by the State Board of Education. But the Board shall not be required to furnish materials which shall be consumed or rendered worthless in any one year, such as pencils, tablets, workbooks, drawing materials and other similar articles.