Mo. Rev. Stat. § 161.093: High school equivalency certificate may be issued by state board, when.

Any person who has not obtained a high school diploma or certificate of graduation and who is a resident of Missouri or who lives on a federal reservation within Missouri or who is a member of the Armed Forces of the United States stationed in Missouri may become an applicant for a high school equivalency certificate to be issued by the department of elementary and secondary education as provided under rules and regulations adopted by the state board of education.