Any association incorporated under any special Act, whose objects are the establishment, maintenance and promotion of a German school or schools may change or amend its charter to permit such associations to devote its money and other resources for the establishment, maintenance, promotion and aid of other educational and charitable purposes by filing with the Secretary of State an application signed by two-thirds of the members of the association, accompanied by a certified copy of the original charter, and a copy of such original charter as it is proposed to amend the same, and such association shall receive from the Secretary of State a certificate of incorporation as an association with power to establish, maintain, promote and aid the educational and charitable purposes as defined and stated in such application and amended charter.