D.C. Code § 38-305

Nothing contained in this chapter shall be construed as preventing the Board of Education from requiring students of the District of Columbia Teachers College to pay tuition, and the said Board is authorized, in its discretion, to require the payment of tuition by the students of such college, whether or not resident in the District of Columbia, with the exception of those students who are authorized to be excused from the payment of tuition by an act other than this chapter.