There shall be adopted and taught at said university of science and technology practical courses of study, embracing in their leading branches such as relate to agriculture and mechanic arts, mines and mining, and ceramics, and such other branches as are best calculated to educate thoroughly the agricultural and industrial classes in the several pursuits and professions of life, including military tactics. If a practitioner preparation program as defined in section 256.145 is established, it shall include the subject of physical education.