D.C. Code § 38-826.05: Tobacco-free school campuses.

(a)

Tobacco and tobacco products are prohibited in public school and public charter school buildings, grounds, parking lots, parking garages, playing fields, school buses and other vehicles, and at off-campus, school-sponsored events.

(b)

For a public charter school located in a mixed-use facility, the requirements of subsection (a) of this section shall apply only to the buildings, grounds, parking lots, garages, and fields under the control of the public charter school.