D.C. Mun. Regs. tit. 5, r. 5-E2199
As used in this chapter, the following terms and phrases shall have the meanings ascribed:
"Adult Student" - A student who is eighteen (18) years of age or older, or who has been emancipated from parental control by marriage, operation of statute, or the order of a court of competent jurisdiction.
"DCPS" - the District of Columbia Public Schools or D.C. Public Schools.
"Feeder School" - a school that, upon students' completion of the educational program offered at the school, sends its students to a particular higher-level school designated by the Chancellor.
"Feeder Pattern" - the group of schools within an attendance zone that, upon students' completion of the educational program at each school, sends students to a particular higher-level school designated by the Chancellor.
"My School DC Lottery" or "Common Lottery" - a single, random lottery that determines placement for new students at all participating schools, including DCPS out-of-boundary schools (PK3-12), all DCPS PK3 and PK4 programs; DCPS selective high schools (9-12), and DCPS citywide schools.
"OSSE" - the Office of the State Superintendent for Education.
"Residence" - the address where the parent, adult student, guardian, custodian, or other primary caregiver resides.
"School" - a school within DCPS.
"Sibling" - a child who:
"Selective schools, programs and academies" - schools or programs that have specific admissions requirements and selection criteria, and that have been approved by the Chancellor.
D.C. Mun. Regs. tit. 5, r. 5-E2199