1. A dependent child eighteen years of age shall, in order to retain eligibility for aid to families with dependent children, be enrolled as a full-time student in a public or private secondary school, or an equivalent level of vocational or technical school in lieu of secondary school, and reasonably expected to complete the program of the secondary school, or equivalent vocational or technical training.
2. The department of social services shall promulgate rules and regulations to carry out the provisions of this section pursuant to section 660.017 and chapter 536.