If any school district is discontinued under this Act and is not made a distinct part of another school district that makes arrangements to safely keep all scholastic records of the former pupils of the discontinued district, the last governing authorities of the discontinued district shall turn over all scholastic records of its former pupils to the county superintendent of schools of the county in which the school building of the district is located; and such county superintendent of schools shall take possession of and arrange for the safekeeping of such records for the purpose of reference by said former pupils.