Whenever a new school district is created by the creation of a new city, borough, township, or independent school district, or by the consolidation of two or more districts as a union district, or an existing school district of the third or fourth class is affected by the annexation to a city, or borough, or township, of territory included within a school district of the third or fourth class, the clerk of the courts or other proper officer shall, within ten days thereafter, make a certified copy of the petition therefor, agreement, or ordinance, and the decree or order creating such new city, borough, township, or independent school district, or union school district, or of the decree of the court or vote of the electors affecting such annexation, and mail the same to the Superintendent of Public Instruction,¹ Department of Public Instruction, Harrisburg, Pennsylvania.