(1) The term "admit" or the term "admission"
means the official enrollment at any level by a school of a student
that entitles the student to attend the school regularly, whether
full-time or part-time, and to participate fully in all the activities
established for a student of his or her age, educational level, or
other appropriate classification.
(2) The term "certification of immunization" means written
certification by a private physician, his or her representative, or
the public health authorities that the student is immunized.
(3) The term "student" means any person who seeks admission
to school, or for whom admission to school is sought by a parent or
guardian, and who will not have attained the age of 26 years by the
start of the school term for which admission is sought.
(4) The term "immunized" or the term "immunization"
means initial immunization and any boosters or reimmunization required
to maintain immunization against diphtheria, poliomyelitis, tetanus,
rubella, measles, and mumps in accordance with the immunization standards
issued by the public health authorities pursuant to this chapter.
(5) The term "Mayor" means the Mayor of the District of
Columbia.
(6) The term "public health authorities" means the official
or officials of the executive branch of the government of the District
of Columbia designated by the Mayor pursuant to this chapter.
(7) The term "responsible person" means, in the case of
a student under 18 years of age, a parent or guardian of the student,
but in the case of a student 18 years of age or older, the student
himself or herself.
(8) The term "school" means:
(A) Any public school through the 12th grade operated under the
authority of the Board of Education of the District of Columbia;
(B) Any private or parochial school that offers instruction at
any level or grade from kindergarten through 12th;
(C) Any private or parochial nursery school or preschool, or any
private or parochial day-care facility required to be licensed by
the District of Columbia; and
(D) Any college or university created
or incorporated by special act of Congress or the Council of the District
of Columbia or required to be licensed by the District of Columbia.