D.C. Mun. Regs. tit. 7, § 701
701.1 In order to participate in the In-School Employment Program, a person shall meet all of the following basic eligibility requirements:
(a) Be a resident of the District of Columbia; and
(b) Be between fourteen (14) and twenty-one (21) years of age.
701.2 Priority for participation shall be given to eligible District full-time students who are economically disadvantaged and identified as potential dropouts.