D.C. Code § 38-2661.23: District of Columbia State Athletic Association; membership.

(a)

All schools in the DCPS system with an interscholastic athletics program serving grades 9 to 12 shall be members of DCSAA and subject to its membership standards.

(b)

A public charter, parochial, or private school in the District with an interscholastic athletics program serving grades 9 to 12 that agrees to abide by DCSAA's membership standards and applicable District laws and regulations governing interscholastic athletics programs may become a DCSAA member and shall be subject to its membership standards.

(c)

The DCSAA shall develop and offer training guidance on District regulations necessary to achieve or maintain membership.