1. (a) No person, partnership or corporation, whether its main office be located within or outside the State, shall conduct a private school or classes as herein defined, or instruct individuals in business or trade subjects in this State, without having been issued a certificate of approval by the Department. A person, partnership or corporation shall be qualified to receive a certificate of approval who complies with every standard, rule and regulation of the Department pertaining to this chapter, who pays the fee for a certificate of approval, and whose school, after an examination conducted under the direction of the Department, is approved by the Department. Such certificates of approval are not transferable.
2. (b) The certificate of approval shall be prominently displayed at some place on the premises of the school open to the inspection of all interested persons.
3. (c) The Department shall maintain open to public inspection a list of schools approved under this chapter and may annually publish such list.

14 Del. C. 1953, § 8503; 58 Del. Laws, c. 544; 71 Del. Laws, c. 180, § 188