Sec. 2. All duties and functions, except as hereafter provided, that are now required by law of the office of Ex Officio County School Superintendent, shall be performed by the Superintendent of the Independent School District, and all the duties that may now be required by law of the County Board of Education shall be performed by the elected Board of Trustees of such Independent School District, except that the County Judge shall, without pay from the State of Texas, continue to approve or disapprove application for school transfers to other schools outside of the county. The Commissioners Court shall hereafter receive, hear and pass upon all petitions for the calling of elections for the creation, change or abolishment of County School Districts and all authorized appeals from the Independent School Board of Trustees shall be made directly to the State Board of Education or to the courts as provided by law.