Any teacher who shall have publicly reviled, ridiculed, or otherwise spoken or acted with disrespect and contumacy toward the flag of the United States or its official uniforms or insignia, or toward the system of government of the United States and its Constitution, or shall refuse to take and subscribe the oath of allegiance required in § 13-42-6 shall upon satisfactory proof of the commission of such offense have his certificate revoked by the secretary of the Department of Education.
SDCL 13-42-11