Unless the governing body elects, by resolution, effective for not less than one or more than four school terms, to do otherwise, character development instruction shall be given in all public and nonpublic elementary and secondary schools in the state to impress upon the minds of the students the importance of citizenship, patriotism, honesty, self discipline, self respect, sexual abstinence, respect for the contributions of minority and ethnic groups to the heritage of South Dakota, regard for the elderly, and respect for authority.